Physics Practice: Sound (Mock Test 2 - Intermediate)
1. The velocity of sound in air is $330 \text{ m/s}$. The distance traveled by sound in $2 \text{ seconds}$ is:
2. Which of the following characteristics of sound changes when a person shouts louder?
3. What is the frequency of a wave if its time period is $0.05 \text{ seconds}$?
4. SONAR is a technique used to measure the depth of oceans using:
5. The pitch of the voice of a woman is generally ________ than that of a man.
6. To hear a distinct echo, the minimum distance of the obstacle from the source of sound must be:
7. When a tuning fork is struck against a rubber pad, its prongs execute:
8. Which of the following factors does NOT affect the speed of sound in air?
9. "Reflection of sound" is the principle used in:
10. The persistence of hearing for the human ear is about:
11. If the length of a vibrating string increases, its frequency:
12. Ultrasonic waves are those having a frequency:
13. The speed of sound is highest in ________ and lowest in ________.
14. Resonance is a special case of ________ vibrations.
15. The unit of intensity of sound is:
16. An echo is used in medical science in the form of:
17. Musical sound is produced by ________ vibrations.
18. The pitch of a stringed instrument like a Sitar can be increased by:
19. If sound moves from air to water, its speed ________.
20. The subjective sensation of how loud or soft a sound is, is called:
