## Physics MCQ Test 4 for CUET 2024

Physics MCQs– Practice the Physics MCQs suitable for various Entrance Exams including CUET. Learn and practice Physics questions and answers.

1. The time period of a simple pendulum at the centre of earth is:
a.
b.
c.
d.

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

3. The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to the difference in the:
a.
b.
c.
d.

4. What happen to the elastic property of a substance after annealing (cooling slowly after heating)?
a.
b.
c.
d.

5. The time period of an earths satellite in circular orbit is independent of:
a.
b.
c.
d.

6. 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.

7. A lorry and a car, moving with the same KE are brought to rest by applying the same retarding force then:
a.
b.
c.
d.

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

9. Mark correct option.
a.
b.
c.
d.

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

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

12. 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.

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

14. For gases:
a.
b.
c.
d.

15. When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v change as:
a.
b.
c.
d.

16. The time period of artificial satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is 8T is:
a.
b.
c.
d.

17. If the distance between the two particles is increased by 2%, then the force of attraction between them will:
a.
b.
c.
d.

18. In which of the following cases the potential energy is defined?
a.
b.
c.
d.

19. In a common-base mode of transistor, the collector current is 5.488 mA for an emitter current of 5.60 mA. The value of the base current amplification factor (β) will be:
a.
b.
c.
d.

20. Youngs modulus for perfectly inelastic body is:
a.
b.
c.
d.

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