A.A
A 2. Which letter represents the amplitude of a wave?
D. D
В. В С. С
B. B
C.C
D D
D_3. Which letter represents the wavelength? A. A
4. On the decibel scale, an increase of 1 dB means that sound intensity is increased by a factor of
A. 10 B. 20 C. 100 D. 200
B 5. It is a wave which is distorted or unpleasant sound to the senses. A. Loudness B. Noise
C. Pitch
D. Timbre
6. A low frequency sound has a
pitch. A. low B. high C. moderate
D. strong
7. It is an extremely low vibrational frequency. A. Infrasonic frequency
B. Megasonic
frequency C. Supersonic frequency D. Ultrasonic frequency18
8. In what way do mechanical waves transport energy from one place to another?
A. Particles travelling in a vacuum B. Vibrating and traveling particles
C. Particles traveling with the wave D. Alternately vibrating particles of the medium
9. What is the SI unit of frequency? A. Hertz B. Meter C. Meter per second D. Second
10. Which of the following is the symbol used for wavelength?A. W B.V C.f D.
11. What is the lowest point of a transverse wave? A. Compression B. Crest C. Rarefaction
D. Trough
12. It refers to the distance in which the wave travels per unit time. A. Amplitude B. Frequency
C. Wavelength D. Wave speed
13. It refers to the highness or lowness of sound. A. Loudness B. Noise C. Pitch
D. Timbre
14. It refers to the number of cycles occurring per unit time. A. Amplitude B. Frequency C. Period
D. Wavelength
15. It is a vibrational frequency beyond 20 000 Hz. A. Infrasonic frequency B. Megasonic frequency
C. Supersonic frequency
D. Ultrasonic frequency
PASAGOT NA PO​