HOTS 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
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Quantisation of charge”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Quantisation of charge. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Coulomb’s law”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Coulomb’s law. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Electric field of a dipole”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Electric field of a dipole. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Gauss’s law”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Gauss’s law. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Field due to infinite sheet/line as in NCERT”, what mistake could they make while solving a question from Electric Charges and Fields?
Answer
They would use the wrong term or the reverse relation. Remember: Field due to infinite sheet/line as in NCERT. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electric Charges and Fields · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Electrostatic Potential and Capacitance. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “V=W/q”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: V=W/q. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Equipotential surface”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: Equipotential surface. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Capacitance C=Q/V”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: Capacitance C=Q/V. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Series and parallel capacitors”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: Series and parallel capacitors. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Energy ½CV²”, what mistake could they make while solving a question from Electrostatic Potential and Capacitance?
Answer
They would use the wrong term or the reverse relation. Remember: Energy ½CV². Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electrostatic Potential and Capacitance · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Current Electricity”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Current Electricity. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “I=nqvdA”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: I=nqvdA. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Ohm’s law microscopic J=σE”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: Ohm’s law microscopic J=σE. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Kirchhoff’s rules”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: Kirchhoff’s rules. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Wheatstone bridge”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: Wheatstone bridge. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Internal resistance”, what mistake could they make while solving a question from Current Electricity?
Answer
They would use the wrong term or the reverse relation. Remember: Internal resistance. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Current Electricity · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Moving Charges and Magnetism. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Biot–Savart”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: Biot–Savart. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Ampere’s circuital law”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: Ampere’s circuital law. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “F=q(v×B)”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: F=q(v×B). Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Cyclotron”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: Cyclotron. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Force between parallel currents”, what mistake could they make while solving a question from Moving Charges and Magnetism?
Answer
They would use the wrong term or the reverse relation. Remember: Force between parallel currents. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Moving Charges and Magnetism · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Magnetism and Matter. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Magnetic dipole moment”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Magnetic dipole moment. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Earth’s magnetic elements”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Earth’s magnetic elements. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Para, dia, ferro”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Para, dia, ferro. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Curie temperature”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Curie temperature. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Hysteresis idea”, what mistake could they make while solving a question from Magnetism and Matter?
Answer
They would use the wrong term or the reverse relation. Remember: Hysteresis idea. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Magnetism and Matter · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “ε=−dφ/dt”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: ε=−dφ/dt. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Lenz’s law (energy conservation)”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: Lenz’s law (energy conservation). Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Motional emf”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: Motional emf. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Self and mutual induction”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: Self and mutual induction. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “AC generator idea”, what mistake could they make while solving a question from Electromagnetic Induction?
Answer
They would use the wrong term or the reverse relation. Remember: AC generator idea. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Induction · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Alternating Current”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Alternating Current. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “I=I0 sinωt”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: I=I0 sinωt. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Reactance XL=ωL, XC=1/ωC”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: Reactance XL=ωL, XC=1/ωC. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Power P=Vrms Irms cosφ”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: Power P=Vrms Irms cosφ. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Series LCR resonance”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: Series LCR resonance. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Transformer”, what mistake could they make while solving a question from Alternating Current?
Answer
They would use the wrong term or the reverse relation. Remember: Transformer. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Alternating Current · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Waves. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Displacement current”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: Displacement current. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “EM waves are transverse”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: EM waves are transverse. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “c=1/√(μ0ε0)”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: c=1/√(μ0ε0). Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “EM spectrum uses”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: EM spectrum uses. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 12 · Subject: Physics · Chapter: Electromagnetic Waves · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Energy and momentum of EM wave idea”, what mistake could they make while solving a question from Electromagnetic Waves?
Answer
They would use the wrong term or the reverse relation. Remember: Energy and momentum of EM wave idea. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
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 “HOTS 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.
