Practice Question Paper — not an official CBSE document
Class 12 · Physics
Subject Code 042 · Set 2 of 3
Time allowed: 3 hoursMaximum marks: 7033 questions
Theory 70 + practical 30. This page is the 70-mark theory practice paper.
General instructions
This practice paper has 33 questions in five sections and is of 70 marks (theory). Practical / project work is separate (30 marks).
Section A: Q1–12 MCQ and Q13–16 Assertion–Reason, 1 mark each.
Section B: Q17–21 very short answers of 2 marks each.
Section C: Q22–28 short answers of 3 marks each.
Section D: Q29–30 case-study / source-based questions of 4 marks each.
Section E: Q31–33 long answers of 5 marks each. Internal choice is given in some questions.
There is no overall choice. Attempt only one option where an internal choice is given.
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.
Section A
Objective type (MCQ and Assertion–Reason) · Q1–16 · 1 mark each · 16 marks
Q.1MCQSemiconductor Electronics: Materials, Devices and Simple Circuits[1]
Choose the correct statement related to Revision in the chapter Semiconductor Electronics: Materials, Devices and Simple Circuits.
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Answer / marking points
B. Write three points from Semiconductor Electronics: Materials, Devices and Simple Circuits in your own words; that is enough for a short-answer start
Note
Write three points from Semiconductor Electronics: Materials, Devices and Simple Circuits in your own words; that is enough for a short-answer start. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.2MCQMagnetism and Matter[1]
Choose the correct statement related to Magnetism and Matter in the chapter Magnetism and Matter.
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Answer / marking points
C. Magnetic dipole moment
Note
Magnetic dipole moment. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.3MCQWave Optics[1]
Choose the correct statement related to Wave Optics in the chapter Wave Optics.
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Answer / marking points
A. Polarisation by reflection (Brewster)
Note
Polarisation by reflection (Brewster). The other options mix ideas from nearby topics or reverse the textbook fact.
Q.4MCQElectric Charges and Fields[1]
Choose the correct statement related to Textbook first in the chapter Electric Charges and Fields.
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Answer / marking points
D. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Note
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.5MCQElectromagnetic Induction[1]
Choose the correct statement related to Diagrams in the chapter Electromagnetic Induction.
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Answer / marking points
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Note
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.6MCQDual Nature of Radiation and Matter[1]
Choose the correct statement related to Practice in the chapter Dual Nature of Radiation and Matter.
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Answer / marking points
D. Mix MCQs with short answers so you remember both facts and explanations from Dual Nature of Radiation and Matter
Note
Mix MCQs with short answers so you remember both facts and explanations from Dual Nature of Radiation and Matter. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.7MCQElectrostatic Potential and Capacitance[1]
Choose the correct statement related to Electrostatic Potential and Capacitance in the chapter Electrostatic Potential and Capacitance.
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Answer / marking points
A. Capacitance C=Q/V
Note
Capacitance C=Q/V. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.8MCQAlternating Current[1]
Choose the correct statement related to Alternating Current in the chapter Alternating Current.
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Answer / marking points
B. Alternating Current is an NCERT chapter taught in CBSE Class 12 Physics
Note
Alternating Current is an NCERT chapter taught in CBSE Class 12 Physics. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.9MCQAtoms[1]
Choose the correct statement related to Examples in the chapter Atoms.
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Answer / marking points
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Note
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.
Q.10MCQCurrent Electricity[1]
Choose the correct statement related to Accuracy in the chapter Current Electricity.
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Answer / marking points
C. Use the terms used in the NCERT book; do not replace them with unofficial names
Note
Use the terms used in the NCERT book; do not replace them with unofficial names. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.11MCQElectromagnetic Waves[1]
Choose the correct statement related to Electromagnetic Waves in the chapter Electromagnetic Waves.
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Answer / marking points
D. EM waves are transverse
Note
EM waves are transverse. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.12MCQNuclei[1]
Choose the correct statement related to Nuclei in the chapter Nuclei.
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Answer / marking points
B. Fission and fusion
Note
Fission and fusion. The other options mix ideas from nearby topics or reverse the textbook fact.
Q.13Assertion and ReasonMoving Charges and Magnetism[1]
Assertion (A): Every chapter ends with keywords or a summary that is useful for one-mark answers.
Reason (R): Keywords is a key idea in the chapter Moving Charges and Magnetism.
Choose the correct option.
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Answer / marking points
A. Both A and R are true, and R is the correct explanation of A.
Note
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Q.14Assertion and ReasonRay Optics and Optical Instruments[1]
Assertion (A): Write three points from Ray Optics and Optical Instruments in your own words; that is enough for a short-answer start.
Reason (R): Revision is a key idea in the chapter Ray Optics and Optical Instruments.
Choose the correct option.
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Answer / marking points
A. Both A and R are true, and R is the correct explanation of A.
Note
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Q.15Assertion and ReasonSemiconductor Electronics: Materials, Devices and Simple Circuits[1]
Assertion (A): p-type and n-type.
Reason (R): Semiconductor Electronics: Materials, Devices and Simple Circuits is a key idea in the chapter Semiconductor Electronics: Materials, Devices and Simple Circuits.
Choose the correct option.
Show answer / marking points
Answer / marking points
A. Both A and R are true, and R is the correct explanation of A.
Note
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Q.16Assertion and ReasonMagnetism and Matter[1]
Assertion (A): Curie temperature.
Reason (R): Magnetism and Matter is a key idea in the chapter Magnetism and Matter.
Choose the correct option.
Show answer / marking points
Answer / marking points
A. Both A and R are true, and R is the correct explanation of A.
Note
Read Assertion and Reason separately first. Here both match the textbook idea, and R explains why A is taught in this chapter.
Section B
Very Short Answer · Q17–21 · 2 marks each · 10 marks
Q.172 MarkWave Optics[2]
Give two points to explain Textbook first as used in Wave Optics.
Show answer / marking points
Answer / marking points
1. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Note
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Q.182 MarkElectric Charges and Fields[2]
Give two points to explain Diagrams as used in Electric Charges and Fields.
Show answer / marking points
Answer / marking points
1. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Note
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Q.192 MarkElectromagnetic Induction[2]
Give two points to explain Practice as used in Electromagnetic Induction.
Show answer / marking points
Answer / marking points
1. Mix MCQs with short answers so you remember both facts and explanations from Electromagnetic Induction.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Note
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Q.202 MarkDual Nature of Radiation and Matter[2]
Give two points to explain Dual Nature of Radiation and Matter as used in Dual Nature of Radiation and Matter.
Show answer / marking points
Answer / marking points
1. de Broglie λ=h/p.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Note
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Q.212 MarkElectrostatic Potential and Capacitance[2]
Give two points to explain Electrostatic Potential and Capacitance as used in Electrostatic Potential and Capacitance.
Show answer / marking points
Answer / marking points
1. Electrostatic Potential and Capacitance is an NCERT chapter taught in CBSE Class 12 Physics.
2. Keep the NCERT wording and add one daily-life example from the same chapter.
Note
Two-mark answers work best as two numbered points. One definition plus one example is usually enough.
Section C
Short Answer · Q22–28 · 3 marks each · 21 marks
Q.223 MarkAlternating Current[3]
Explain Examples in about three points, with one example.
Show answer / marking points
Answer / marking points
CBSE often tests a concept by asking a daily-life example from the same chapter. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Q.233 MarkAtoms[3]
Explain Accuracy in about three points, with one example.
Show answer / marking points
Answer / marking points
Use the terms used in the NCERT book; do not replace them with unofficial names. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Q.243 MarkCurrent Electricity[3]
Explain Current Electricity in about three points, with one example.
Show answer / marking points
Answer / marking points
Ohm’s law microscopic J=σE. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Q.253 MarkElectromagnetic Waves[3]
Explain Electromagnetic Waves in about three points, with one example.
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Answer / marking points
Energy and momentum of EM wave idea. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Q.263 MarkNuclei[3]
Explain Keywords in about three points, with one example.
Show answer / marking points
Answer / marking points
Every chapter ends with keywords or a summary that is useful for one-mark answers. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Q.273 MarkMoving Charges and Magnetism[3]
Explain Revision in about three points, with one example.
OR
Explain Alternating Current in about three points, with one example.
Show answer / marking points
Answer / marking points
Write three points from Moving Charges and Magnetism in your own words; that is enough for a short-answer start. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
OR — marking points
Series LCR resonance. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Q.283 MarkRay Optics and Optical Instruments[3]
Explain Ray Optics and Optical Instruments in about three points, with one example.
OR
Explain Textbook first in about three points, with one example.
Show answer / marking points
Answer / marking points
Mirror and lens formula. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Note
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
OR — marking points
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Section D
Case-study / source-based · Q29–30 · 4 marks each · 8 marks
Q.29Case BasedSemiconductor Electronics: Materials, Devices and Simple Circuits[4]
A student is revising Semiconductor Electronics: Materials, Devices and Simple Circuits and notes: “Rectifier.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Show answer / marking points
Answer / marking points
(i) Semiconductor Electronics: Materials, Devices and Simple Circuits.
(ii) Rectifier.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Note
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Q.30Case BasedMagnetism and Matter[4]
A student is revising Magnetism and Matter and notes: “Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.” Using this case, answer: (i) Name the idea. (ii) State it in your own words. (iii) Give one classroom or daily-life use.
Show answer / marking points
Answer / marking points
(i) Textbook first.
(ii) Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions.
(iii) Apply it in a school experiment, a labelled diagram, or a situation described in the NCERT chapter.
Note
Case-based items recycle a short story. Pull the fact out first, then apply it. This is original practice in CBSE case style — not a copied board paper.
Section E
Long Answer · Q31–33 · 5 marks each · 15 marks
Q.315 MarkWave Optics[5]
Write a long answer on Diagrams. Include definition, explanation and one application.
Show answer / marking points
Answer / marking points
Diagrams — If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Note
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
Q.325 MarkElectric Charges and Fields[5]
Write a long answer on Practice. Include definition, explanation and one application.
OR
Write a long answer on Moving Charges and Magnetism. Include definition, explanation and one application.
Show answer / marking points
Answer / marking points
Practice — Mix MCQs with short answers so you remember both facts and explanations from Electric Charges and Fields. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Note
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
OR — marking points
Moving Charges and Magnetism — Moving Charges and Magnetism is an NCERT chapter taught in CBSE Class 12 Physics. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Q.335 MarkElectromagnetic Induction[5]
Write a long answer on Electromagnetic Induction. Include definition, explanation and one application.
OR
Write a long answer on Examples. Include definition, explanation and one application.
Show answer / marking points
Answer / marking points
Electromagnetic Induction — Motional emf. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
Note
Long answers are marked for structure. Use headings or numbered steps so the examiner can see each part.
OR — marking points
Examples — CBSE often tests a concept by asking a daily-life example from the same chapter. Explain the idea in order (definition → working → result). End with one application from daily life or a numerical/diagram if the chapter has one.
