Question

Answer whether the following statements are true or false:

(i) Travel of sound through the vacuum is not possible.

(ii) A vibrating object whose number of oscillations per second is known as time period.

(iii) Sound is feeble, if its amplitude of vibration is large.

(iv) The audible range for human ears is from 29 Hz to 20,000 Hz.

(v) The higher the pitch, the lower is the vibration of frequency.

(vi) Music is defined as the unpleasant or unwanted sound.

(vii) Partial hearing impairment is caused by noise pollution.

Explanation required #
Wrong answers will be reported very soon.
Every question is of 2 points.

Answer 1

i) true
ii) false
iii) false
iv) false
v) true
vi) false
vii)true

Answer 2

Trve
False
False
False
False (music is defined as pleasant sound)