11. Nano saw two waves near the shore, transverse and longitudinal. He was thinking the combination
of these two waves. What would that be?
a Longitudinal- transverse
C. surface wave
b. Transverse-longitudinal
d. bottom wave.
12. This is the lowest point of the wave.
a. Trough
b. crest
c. amplitude
d. wave length
13. This is the maximum distance covered by a particle from its resting position.
Trough
b. crest c. amplitude
d. wave length
14. What is the speed of wave if the wavelength is 2 m in 3 seconds?
0.67 m/s
b. 67 m/s c. 670 m/s
d. 6.7 m/s
15. Refers to our subjective impression about the highness or lowness of a tone.
a. Sound
b. pitch
c. intensity
d. loudness
16. The form of energy that is produced when air molecules vibrate and move in pattern of waves.
a. Sound
b. pitch c. intensity
d. light
17. The amount of energy that is transported to past in a given area of the medium at a given time.
a. Sound
b. pitch c. intensity
d. loudness
18. Which of the following is the unit of intensity?
b. Hz
c. m/s
d. none of these
19. Which of the following is a component on how humans produce sound?
Sound quality depends on the complexity of its sound waves.
b. The nose where air pass through.
c. The lungs that produce sufficient air flow and air pressure.
d. All of the above.
20. Which of the following does not belong to the group?
d. intensity
c. wavelength
a. Amplitude b. frequency
​