Question

(a)
its time period. (T/F)
(c)
(d)
(e)
For human ears, the audible range is 20 Hz to 20,000 Hz. (T/F)
(
@
Unwanted or unpleasant sound is termed as music. (T/F)
Noise pollution may cause partial hearing impairment. (T/F)
If the amplitude of vibration is large, sound is feeble. (T/F)
The lower the frequency of vibration, the higher is the pitch. (T/F)
against those which are false.
In the following statements, tick T against those which are true, and 'F
Sound cannot travel in vacuum. TIF
The number of oscillations per second of a vibrating object is called
Fill in the blanks with suitable​

Answer 1

Explanation

For human ears, the audible range is 20 Hz to 20,000 Hz. T

Unwanted or unpleasant sound is termed as music. F

Noise pollution may cause partial hearing impairment. T

If the amplitude of vibration is large, sound is feeble. F

The lower the frequency of vibration, the higher is the pitch. F

Sound cannot travel in vacuum. T

The number of oscillations per second of a vibrating object is called Ferquency