Question

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

Answer 1

Answer:

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Answer 2

The "frequency remains constant" when sound waves "travel from air to water".

Explanation:

The velocity and wavelength changes when "sound waves travel from air to water". The frequency is determined by the source. It does not change.

The result of frequency being constant results in an increase in wavelength and speed. Hence in "sound waves travel from air to water", the "frequency remains constant". This is very crucial for research on sound on various mediums.