31/03/2026
10th Class Physics MCQs (Solved)
1. In SHM, velocity at extreme position is:
* Zero
2. The spring's constant is:
* 3. In motion of a simple pendulum restoring force is provided by:
* Force of gravity
4. The time period of vibrating mass spring system, when its mass become doubled:
* Increased
5. Unit of time period is:
* Second
6. If T = \frac{1}{f} then:
* 7. The example of shock absorber of the vehicles are:
* Damped motion
8. The main categories of waves are:
* 2
9. Which waves do not require medium for their propagation?
* Electromagnetic waves
10. Which of the following characteristics of a wave is independent of others?
* Amplitude
11. Radio waves are:
* Electromagnetic waves
12. The part of a wave, where the particles of medium are lowest from the mean position is called:
* Trough
13. Example of transverse waves is:
* Both Light waves and Water waves
14. Waves transfer:
* Energy
15. The relation between time, speed and distance is:
* 16. In a vacuum, all eletromagnetic waves have the same:
* Speed
17. The relation between velocity, frequency and wavelength for waves is given by:
* 18. If the time period is given then frequency is calculated as:
* 19. If the speed of a wave is 340 m/s and wavelength is 0.5 m, then frequency will be:
* 680 Hz
20. Which device can be used to produce both transverse and longitudinal waves?
* A helical spring (Slinky)
21. When water waves enter the region of shallow water their wavelength:
* Decreases
22. Which of the following quantities is not changed during refraction of light?
* Its frequency
23. Troughs of water waves in a ripple tank behave like concave lens and:
* Diverge the light
24. The wavelength of the stationary wave is ____ the distance between two successive nodes or anti-nodes.
* Twice
25. When water waves enter the region of shallow water, which quantity will change?
* Wavelength
26. Sound is form of ____ energy:
* Mechanical
27. Two consecutive waves compression and rarefactions is called:
* Wave length
28. The example of longitudinal waves is:
* Sound waves
29. Which of these waves consist of compressions and rarefactions?
* Sound waves
30. The intensity level of rusting of leaves is:
* 10 dB
31. The intensity level of train siren is:
* 130 dB
32. The loudness of sound is most closely related to its:
* Amplitude
33. The pitch of sound mostly depends on:
* Frequency
34. We can distinguish between a shrill and grave sound by its:
* Pitch
35. How does sound travel from its source to your ear?
* By changes in air pressure
36. Unit of Intensity level is sound is:
* dB
37. Intensity of sound of lawn mower:
* 10⁻² Wm⁻²
38. The sensation of sound persists in our mind is:
* 0.1 s
39. Formula for finding the speed of sound is:
* 40. In general, the speed of sound is greater in:
* Solids
41. The speed of sound in air:
* 1246 km/h
42. If speed of sound is 320 m/s, the distance covered in a time of 1.5 s will be:
* 480 m
43. Calculate the frequency of sound wave of speed 340 m/s and wavelength 0.5 m?
* 680 Hz
44. What will be the speed of sound having frequency 680 Hz and wavelength of 0.5 m?
* 340 m/s
45. Speed of sound in air at 25°C is:
* 346 m/s
46. Speed of sound in air at one atmosphere of pressure and 21°C temperature is:
* 343 m/s
47. Speed of sound in air at 100°C is:
* 386 m/s
48. The level of noise recommended in most countries over an eight hour workday is usually:
* 85-90 dB
49. The depth of water can be measured by:
* Ultrasonic waves
50. Mice can hear frequency upto:
* 100,000 Hz
