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Physics MCQs for Class 12: CBSE Class 12 board exam 2023-24 in Physics is scheduled to be conducted on March 4, 2024. To score the best marks, make sure to practice these multiple-choice questions (MCQs). These questions were created in accordance with NCERT guidelines and the most recent CBSE Physics syllabus for 2023–2024. Putting these MCQs into practice will not only improve your understanding of physics but will also help you score top marks in the Physics Board exam.
CBSE Class 12 Physics Paper Pattern 2024
CBSE Class 12 Physics Board exam is going to be conducted for 70 marks. The time duration for students to attempt the paper will be 3 hours. The physics question paper has five sections. All the sections are compulsory. There are 33 questions in all. All questions are compulsory.
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Section A |
12 MCQs (1 mark each) |
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4 Assertion Reasoning based Question (1 mark each) |
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Section B |
5 Questions ( 2 marks each) |
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Section C |
7 Questions ( 3 marks each) |
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Section D |
2 Case Study Based Questions (4 marks each) |
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Section E |
3 Long Answer Questions (5 marks each) |
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Total Questions |
33 |
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Total Marks |
70 |
- There is no overall choice. However, an internal choice has been provided in one question in Section B, one question in Section C, one question in each CBQ in Section D and all three questions in Section E. You have to attempt only one of the choices in such questions.
- Use of calculators is not allowed.
CBSE Class 12 Physics Important MCQs
Q.1. Two-point charges are placed at a distance d apart. If a copper plate is placed between the charges the effective force will be:
(a) F
(b) 2F
(c) √F
(d) zero
Ans. (d)
Q.2. Seven charges of equal magnitude q are placed at the corners of a cube of side b. The force experienced by another charge Q placed at the center of the cube is:
(a) Zero
(b ) KQq/ 3b
(c) 7KQq/3b
(d) 2KQq/3b
Ans. (d)
Q.3. A parallel plate air capacitor having a capacitance ‘C’ is half-filled by a medium of dielectric constant 5. What % change will be there in the capacitance of the capacitor?
(a) 200% increase
(b) 400% decrease
(c) 400% increase
(d) 66.6% increase
Ans. (d)
Q.4. A battery is used to charge a capacitor till the potential difference between the plates become equal to the emf (V) of the battery. The ratio of the energy stored in the capacitor to the work done by the battery will be:
(a) 1⁄2
(b) 2
(c) 1⁄4
(d) 4
Ans. (a)
Q.5. Drift velocity varies with the intensity of electric field as per the relation:
(a) V α E
(b) V α 1/E
(c) V α E2
(d) V α E-2
Ans. (a)
Q.6. A cell of emf 2V, when short circuited gives a current of 4A. What is the internal resistance of the cell in ohm?
(a) 0.5
(b) 1.0
(c) 2.0
(d) 4.0
Ans. (a)
Q.7. Kirchhoff’s second law for the electric network is based on:
(a) Law of conservation of charge
(b) Law of conservation of energy
(c) Law of conservation of angular momentum
(d) Law of conservation of mass
Ans. (b)
Q.8. A current carrying coil is subjected to a uniform magnetic field. The coil will orient so that its plane becomes:
(a) Inclined at 45o to the magnetic field.
(b) Inclined at 30o to the magnetic field.
(c) Parallel to the magnetic field.
(d) Perpendicular to the magnetic field.
Ans. (d)
Q.9. A certain electric motor wire that carries a current of 4A is perpendicular to a magnetic field of 0.8T. What is the force on each cm of the wire?
(a) 0.08N
(b) 0.06N
(c) 0.03N
(d) 0.01N
Ans. (c)
Download the PDF of Class 12 Physics Important MCQs below.
