Question

Q4. Observe the given sound waves carefully and answer the following
questions.
(a) Which sound wave is loudest? Give reason.
(b) Which sound wave has the highest pitch and why?
(c) Among all the given sound waves, which sound is of a boy and why?
Give reason.​

Answer 1

Answer:

a) A sound wave changes its loudness or intensity.

b) A higher frequency sno ound has a higher pitch, and

a lower frequency sound has a lower pitch.

c)no answer