## Physics MCQ Question Answers for Various Entrance Exams

Physics MCQs– Practice the Physics MCQs suitable for various Entrance Exams including CUET. Learn and practice Physics questions and answers. Physics MCQ questions are very helpful for various competitive exams. CUET is a Common University Entrance Test that is now mandatory to take admission to Central Universities in India. Physics MCQ questions are based on the latest CUET exam pattern 2022 and other entrance exams, so that you can have a fair idea about exam trends that will be followed for various entrance exams.

1. For a particle moving along a circular path with a constant speed, the acceleration is constant in:
a.
b.
c.
d.

2. To convert a galvanometer into an ammeter, we should connect:
a.
b.
c.
d.

3. A proton moving in a straight line enters a strong magnetic field along the field direction. How will its path and velocity change?
a.
b.
c.
d.

4. Two wires of the same material and length are stretched by the same force. Their masses are in the ratio 3:2, their elongations are in the ratio:
a.
b.
c.
d.

5. The reactance of an inductor connected with DC voltage is:
a.
b.
c.
d.

6. In the case of SHM, if the particle is at the mean position, then the particle is in:
a.
b.
c.
d.

7. Ray optics fails when the size of the obstacle is:
a.
b.
c.
d.

8. The speed of a particle moving in a circle is increasing. The dot product of its acceleration and velocity is:
a.
b.
c.
d.

9. If there were a smaller gravitational effect, which of the following forces do you think would alter in some respect?
a.
b.
c.
d.

10. When the body is moving up, the acceleration due to gravity will be:
a.
b.
c.
d.

11. When we apply reverse bias to a junction diode, it:
a.
b.
c.
d.

12. Two vessels having equal volume contain molecular hydrogen at one atmosphere and helium at two atmospheres respectively. If both samples are at the same temperature the mean velocity of hydrogen molecules is:
a.
b.
c.
d.

13. Which one of the following is not the advantage of semiconductor device in the electron tubes?
a.
b.
c.
d.

14. If a metal wire of length L, having area of cross-section A and Youngs modulus Y, behaves as a spring of spring constant k. The value of k is:
a.
b.
c.
d.

15. A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is:
a.
b.
c.
d.

16. A point source generates 10 J of light energy in 2 s. The luminous flux of source is:
a.
b.
c.
d.

17. When p-n junction diode is forward biased, then:
a.
b.
c.
d.

18. As a bubble comes from the bottom of a lake to the top, its radius:
a.
b.
c.
d.

19. The pressure at the bottom of a tank of liquid is not proportional to:
a.
b.
c.
d.

20. The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its:
a.
b.
c.
d.

21. The minimum velocity (in m/s) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is:
a.
b.
c.
d.

22. If a current is passed through a spring then the spring will:
a.
b.
c.
d.

23. A p-n junction diode is reverse biased. The resistance measured by an ohmmeter connected across it will be:
a.
b.
c.
d.

24. A light spring balance hangs from the hook of the other light spring balance and a block of mass M kg hangs from the former one. Then the true statement about the scale reading is:
a.
b.
c.
d.

25. If the time-displacement graph of a particle is parallel to the time-axis, the velocity of particle is:
a.
b.
c.
d.

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