Physics Related Question Answers

1. If an object undergoes a uniform circular motion, then its

2. The internal energy of a body means -

3. A car is moving with a uniform speed. However its momentum is changing. Then the car

4. If the potential difference across an electric bulb is 4.6 V and the current flowing through it is 0.25A, what is the resistance of the bulb?

5. Light travels in optical fiber irrespective of its shape because it is a device by which signals can be transferred from one location to another. It is based on the phenomenon of:

6. Speed of sound is maximum in

7. Which of the following statements in Not correct regarding the Ultra-violet rays?

8. Which of the following is a vector quantity?

9. Solutions in test tubes containing H2O and aqueous NaOH can be differentiated with the help of:

10. The velocity of sound is maximum in -

11. What does an air conditioner installed in a room control?

12. Air exerts pressure

13. An air-conditioning system regulates

14. Diffusion of light in the atmosphere takes place due to

15. Tides are primarily a result of the -

16. A light year is a unit of

17. When a current carrying conductor is placed above a magnetic needle, what is the maximum deflection that can be produced?

18. A body has a mass of 6 kg on the Earth; when measured on the Moon, its mass would be

19. Which type of reaction produces the most harmful radiation?

20. Electric fuse wire is made of alloys because alloys -

21. Which type of oscillator is most stable in simple circuit?

22. Which of the following is most elastic?

23. The surface temperature of the Sun is nearly:

24. Which of the statements is NOT correct?

25. Tesla is a unit of magnetic -

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