Question

i) When sound waves travel from air to water, 111
which of these remains constant ?
(A) Velocity
(B) Frequency
(C) Wavelength (D) All of above
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Answer 1

Answer:

B option is correct

Explanation:

I hope my answer is correct

Answer 2

Answer:

Velocity of sound is different in water than un air. It is faster in water than air.

V = frequency x wavelength

Frequency of wave is depends on the source that produced it. Therefore frequency doesn't change with the change in medium.

From the above statements we can understand that

Frequency is the only thing that's constant.

Option B