Most Important Questions for Class 12 Physics. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electric Charges and Fields in the chapter Electric Charges and Fields.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Electric field of a dipole
C. Electric Charges and Fields is an NCERT chapter taught in CBSE Class 12 Physics
D. Quantisation of charge
Answer
D. Quantisation of charge
Explanation
Quantisation of charge. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Electric Charges and Fields in the chapter Electric Charges and Fields.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields
C. Field due to infinite sheet/line as in NCERT
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Field due to infinite sheet/line as in NCERT
Explanation
Field due to infinite sheet/line as in NCERT. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Electric Charges and Fields.
A. Quantisation of charge
B. This idea is not part of the NCERT chapter
C. Write three points from Electric Charges and Fields in your own words; that is enough for a short-answer start
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Electric Charges and Fields.
A. Coulomb’s law
B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields
C. The textbook says the opposite of this statement
D. Field due to infinite sheet/line as in NCERT
Answer
B. Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Electric Charges and Fields in the chapter Electric Charges and Fields.
A. Electric field of a dipole
B. Gauss’s law
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Gauss’s law
Explanation
Gauss’s law. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Electric Charges and Fields in about three points, with one example.
Answer
Coulomb’s law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electrostatic Potential and Capacitance in the chapter Electrostatic Potential and Capacitance.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Capacitance C=Q/V
C. Electrostatic Potential and Capacitance is an NCERT chapter taught in CBSE Class 12 Physics
D. V=W/q
Answer
D. V=W/q
Explanation
V=W/q. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Electrostatic Potential and Capacitance in the chapter Electrostatic Potential and Capacitance.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Energy ½CV²
Answer
D. Energy ½CV²
Explanation
Energy ½CV². The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Electrostatic Potential and Capacitance.
A. This idea is not part of the NCERT chapter
B. V=W/q
C. Write three points from Electrostatic Potential and Capacitance in your own words; that is enough for a short-answer start
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Electrostatic Potential and Capacitance.
A. Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance
B. The textbook says the opposite of this statement
C. Energy ½CV²
D. Equipotential surface
Answer
A. Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Electrostatic Potential and Capacitance in the chapter Electrostatic Potential and Capacitance.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Capacitance C=Q/V
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Series and parallel capacitors
Answer
D. Series and parallel capacitors
Explanation
Series and parallel capacitors. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Electrostatic Potential and Capacitance in about three points, with one example.
Answer
Equipotential surface. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Current Electricity in the chapter Current Electricity.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Kirchhoff’s rules
C. Current Electricity is an NCERT chapter taught in CBSE Class 12 Physics
D. I=nqvdA
Answer
D. I=nqvdA
Explanation
I=nqvdA. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Current Electricity in the chapter Current Electricity.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Current Electricity
C. Internal resistance
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Internal resistance
Explanation
Internal resistance. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Current Electricity.
A. I=nqvdA
B. This idea is not part of the NCERT chapter
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Write three points from Current Electricity in your own words; that is enough for a short-answer start
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Current Electricity.
A. Ohm’s law microscopic J=σE
B. The textbook says the opposite of this statement
C. Mix MCQs with short answers so you remember both facts and explanations from Current Electricity
D. Internal resistance
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Current Electricity
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Current Electricity. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Current Electricity in the chapter Current Electricity.
A. Kirchhoff’s rules
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Wheatstone bridge
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Wheatstone bridge
Explanation
Wheatstone bridge. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Current Electricity in about three points, with one example.
Answer
Ohm’s law microscopic J=σE. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Moving Charges and Magnetism in the chapter Moving Charges and Magnetism.
A. Moving Charges and Magnetism is an NCERT chapter taught in CBSE Class 12 Physics
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. F=q(v×B)
D. Biot–Savart
Answer
D. Biot–Savart
Explanation
Biot–Savart. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Moving Charges and Magnetism in the chapter Moving Charges and Magnetism.
A. Force between parallel currents
B. Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Force between parallel currents
Explanation
Force between parallel currents. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Moving Charges and Magnetism.
A. This idea is not part of the NCERT chapter
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Write three points from Moving Charges and Magnetism in your own words; that is enough for a short-answer start
D. Biot–Savart
Answer
B. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Moving Charges and Magnetism.
A. Ampere’s circuital law
B. The textbook says the opposite of this statement
C. Force between parallel currents
D. Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Moving Charges and Magnetism in the chapter Moving Charges and Magnetism.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. F=q(v×B)
C. Cyclotron
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Cyclotron
Explanation
Cyclotron. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Moving Charges and Magnetism in about three points, with one example.
Answer
Ampere’s circuital law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Magnetism and Matter in the chapter Magnetism and Matter.
A. Para, dia, ferro
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Magnetism and Matter is an NCERT chapter taught in CBSE Class 12 Physics
D. Magnetic dipole moment
Answer
D. Magnetic dipole moment
Explanation
Magnetic dipole moment. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Magnetism and Matter in the chapter Magnetism and Matter.
A. Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Hysteresis idea
Answer
D. Hysteresis idea
Explanation
Hysteresis idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Magnetism and Matter.
A. Magnetic dipole moment
B. This idea is not part of the NCERT chapter
C. Write three points from Magnetism and Matter in your own words; that is enough for a short-answer start
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Magnetism and Matter.
A. Hysteresis idea
B. The textbook says the opposite of this statement
C. Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter
D. Earth’s magnetic elements
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Magnetism and Matter in the chapter Magnetism and Matter.
A. Curie temperature
B. Para, dia, ferro
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Curie temperature
Explanation
Curie temperature. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Magnetism and Matter in about three points, with one example.
Answer
Earth’s magnetic elements. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electromagnetic Induction in the chapter Electromagnetic Induction.
A. Electromagnetic Induction is an NCERT chapter taught in CBSE Class 12 Physics
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. ε=−dφ/dt
D. Motional emf
Answer
C. ε=−dφ/dt
Explanation
ε=−dφ/dt. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Electromagnetic Induction in the chapter Electromagnetic Induction.
A. AC generator idea
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction
Answer
A. AC generator idea
Explanation
AC generator idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Electromagnetic Induction.
A. This idea is not part of the NCERT chapter
B. Write three points from Electromagnetic Induction in your own words; that is enough for a short-answer start
C. ε=−dφ/dt
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Electromagnetic Induction.
A. Lenz’s law (energy conservation)
B. AC generator idea
C. The textbook says the opposite of this statement
D. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Electromagnetic Induction in the chapter Electromagnetic Induction.
A. Motional emf
B. Self and mutual induction
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. Self and mutual induction
Explanation
Self and mutual induction. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Electromagnetic Induction in about three points, with one example.
Answer
Lenz’s law (energy conservation). Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Alternating Current in the chapter Alternating Current.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. I=I0 sinωt
C. Alternating Current is an NCERT chapter taught in CBSE Class 12 Physics
D. Power P=Vrms Irms cosφ
Answer
B. I=I0 sinωt
Explanation
I=I0 sinωt. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Alternating Current in the chapter Alternating Current.
A. Transformer
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Mix MCQs with short answers so you remember both facts and explanations from Alternating Current
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Transformer
Explanation
Transformer. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Alternating Current.
A. This idea is not part of the NCERT chapter
B. Write three points from Alternating Current in your own words; that is enough for a short-answer start
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. I=I0 sinωt
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Alternating Current.
A. Transformer
B. The textbook says the opposite of this statement
C. Mix MCQs with short answers so you remember both facts and explanations from Alternating Current
D. Reactance XL=ωL, XC=1/ωC
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Alternating Current
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Alternating Current. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Alternating Current in the chapter Alternating Current.
A. Series LCR resonance
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Power P=Vrms Irms cosφ
Answer
A. Series LCR resonance
Explanation
Series LCR resonance. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Alternating Current in about three points, with one example.
Answer
Reactance XL=ωL, XC=1/ωC. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electromagnetic Waves in the chapter Electromagnetic Waves.
A. Displacement current
B. c=1/√(μ0ε0)
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Electromagnetic Waves is an NCERT chapter taught in CBSE Class 12 Physics
Answer
A. Displacement current
Explanation
Displacement current. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Electromagnetic Waves in the chapter Electromagnetic Waves.
A. Energy and momentum of EM wave idea
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Energy and momentum of EM wave idea
Explanation
Energy and momentum of EM wave idea. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Electromagnetic Waves.
A. This idea is not part of the NCERT chapter
B. Displacement current
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Write three points from Electromagnetic Waves in your own words; that is enough for a short-answer start
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Electromagnetic Waves.
A. Energy and momentum of EM wave idea
B. The textbook says the opposite of this statement
C. EM waves are transverse
D. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Electromagnetic Waves in the chapter Electromagnetic Waves.
A. EM spectrum uses
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. c=1/√(μ0ε0)
Answer
A. EM spectrum uses
Explanation
EM spectrum uses. The other options mix ideas from nearby topics or reverse the textbook fact.
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Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Electromagnetic Waves in about three points, with one example.
Answer
EM waves are transverse. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-12/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Most Important Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
