# MCQ Questions for Class 12 Physics with Answers Chapter Wise

Physics Multiple choice Questions for Class 12 Chapter Wise with Answers PDF Free Download is going to be an integral part of preparation to score good marks in their CBSE board examination. Students can Practice CBSE Class 12 Physics Multiple Choice Questions with Answers to improve your score in Board Exams. All these Objective Questions resources have been shared by various students and teachers.

Physics MCQ For Class 12 Chapter wise with Answers are a critical resource for the CBSE board exam preparation. Aspirants who intent to secure high grades in the CBSE class 12th board exam can use the Multiple choice questions for physics subject to practice. It is the best method to improve the final result. Along with that it helps the students to increase the overall understanding in the subject.

Here’s the list of chapters on the “Physics – Class 12” subject covering all chapter based objective Questions. You can practice the MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice.

CLASS 12 PHYSICS MULTIPLE CHOICE QUESTIONS ONLINE QUIZ

1. The capacitors of capacitance 4 F, 6 F and 12 F are connected first in series and then in parallel. What is the ratio of equivalent capacitance in the two cases?
(a) 2 : 3
(b) 11 : 1
(c) 1 : 11
(d) 1 : 3
2. In an experiment of meter bridge, a null point is obtained at the centre of the bridge wire. When a resistance of 10 ohm is connected in one gap, the value of resistance in other gap is
(a) 10 Ω
(b) 5 Ω
(c) 15 Ω
(d) 500 Ω
3. If the length of potentiometer wire is increased, then the length of the previously obtained balance point will
(a) increase.
(b) decrease.
(c) remain unchanged.
(d) become two times.
4. A current carrying closed loop of an irregular shape lying in more than one plane when placed in uniform magnetic field, the force acting on it
(a) will be more in the plane where its larger position is covered.
(b) is zero.
(c) is infinite.
(d) may or may not be zero
5. A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1.5 is placed over the mark. How should the microscope be moved to get the mark in focus again?
(a) 2 cm upward
(b) 1 cm upward
(c) 4.5 cm downward
(d) 1 cm downward
6. The electrons in the Bohr’s orbit have
(a) K.E. greater than P.E.
(b) P.E. greater than K.E.
(c) the same values
(d) none of these
7. A current carrying closed loop of an irregular shape lying in more than one plane when placed in uniform magnetic field, the force acting on it
(a) will be more in the plane where its larger position is covered.
(b) is zero.
(c) is infinite.
(d) may or may not be zero
8. A Proton and an a-particle have the same de Broglie wavelength. What is same for both of them?
(a) Mass
(b) Energy
(c) Frequency
(d) Momentum
9. A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for red, green and blue wavelengths are 1.39, 1.44 and 1.47 respectively. The prism will
(a) separate the red colour part from the green and blue colours.
(b) separate the blue colour part from the red and green colours.
(c) separate all the three colours from one another.
(d) not separate the three colours at all.
10. Ratio of intensities of two waves is 9 : 1. If these waves are superimposed, what is the ratio of maximum and minimum intensities?
(a) 9 : 1
(b) 3 : 1
(c) 4 : 1
(d) 5 : 3