When sound waves travel from air to water, which of the following remains constant [AFMC 1993; DCE 1999; CPMT 2004]

When sound waves travel from air to water, which of the following rema

1.	When sound waves travel from air to water, which of the following remains constant [AFMC 1993; DCE 1999; CPMT 2004]
A.	Velocity
B.	Frequency
C.	Propagated waves
D.	All the above
Answer» C. Propagated waves

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When sound waves travel from air to water, which of the following remains constant [AFMC 1993; DCE 1999; CPMT 2004]

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