Question

(d) nerve cords
(d) amplitude
1. In human beings, sound is produced by the vibration of
(a) wind pipe
(b) buccal cavity
(c) larynx
2. The maximum displacement of a vibrating object from its mean position is called its
(a) frequency
(b) loudness
(c) time period
3. Ultrasonic sound has the frequency range
(a) greater than 20,000 Hz
(b) less than 20 Hz
(c) greater than 20 Hz
(d) less than 20,000 Hz
4. Sound is measured in
(a) decibel
(b) hertz
(c) metre
(d) second
Science in-Depth - 8
226​

Answer 1

Answer:

nerve cords

(d) amplitude

1. In human beings, sound is produced by the vibration of

(a) wind pipe

(b) buccal cavity

(c) larynx

2. The maximum displacement of a vibrating object from its mean position is called its

(a) frequency

(b) loudness

(c) time period

3. Ultrasonic sound has the frequency range

(a) greater than 20,000 Hz

(b) less than 20 Hz

(c) greater than 20 Hz

(d) less than 20,000 Hz

4. Sound is measured in

(a) decibel

(b) hertz

(c) metre

(d) second

Science in-Depth - 8

226

Answer 2

Answer:

larynx

Loudness

Greater than 20000Hz

Decibels

Explanation: