Question

In the following statements, select
correct statement
(a) The number of oscillations per
second of a vibrating objet is called
its time period.
(b) If the amplitude of vibration is
large, sound is feeble.
(c) For human ears, the audible
range is 20 Hz to 25,000 Hz.
O
(d) The lower the frequency of
vibration, the lower is the pitch​

Answer 1

Answer:

a,d are the correct answers

Answer 2

Answer:

a) the number of oscillations per

second of a vibrating objet is called

its time period.

Explanation:

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