Physics Practice: Propagation of Sound Waves (Mock Test 5 - Ultimate Mastery)
1. The speed of sound in air is approximately ________ times slower than the speed of light.
2. When sound waves travel through a medium, the particles of the medium ________.
3. A compression is a region where the particles are ________ and the pressure is ________.
4. The distance between two consecutive troughs in a transverse wave is called ________.
5. Which of the following is an example of a mechanical wave?
6. If the frequency of a tuning fork is $400\text{ Hz}$, its time period is ________.
7. The speed of sound in a gas is directly proportional to the square root of its ________.
8. Infrasonic waves can be heard by ________.
9. The phenomenon of reflection of sound is used in ________.
10. The speed of sound in air ________ with increase in humidity.
11. A wave travels $300\text{ m}$ in $2\text{ seconds}$. Its speed is ________.
12. Which part of the ear converts sound vibrations into electrical signals?
13. The frequency of a wave is $2\text{ kHz}$. This is equal to ________.
14. Transverse waves consist of ________ and ________.
15. The speed of sound in air at $0^\circ\text{C}$ is $330\text{ m/s}$. At $25^\circ\text{C}$, it will be approximately ________.
16. The amplitude of a wave determines its ________.
17. Which animal can hear ultrasonic sound waves?
18. Sound waves are ________ waves in air.
19. If the wavelength of sound is $1\text{ m}$ and frequency is $340\text{ Hz}$, the speed of sound is ________.
20. The ultrasonic waves have a wavelength ________ than audible sound waves.