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Mechanical Properties of Fluids
Question
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How does the velocity of sound in gas vary with density of gas?

Answer

The velocity of sound in a gas is inversely to the square root of the density of gas. 

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Some More Questions From Mechanical Properties of Fluids Chapter

Define transverse wave motion.

Define longitudinal wave motion.

Which of the two waves - elastic waves or electromagnetic waves does need any material media for its propagation?

What is sound?

How sound is produced?

Can sound travel in vacuum?

Can two persons hear each other on the moon? Explain.

Can electromagnetic wave propagate in vacuum?

Can we listen in vacuum?

Which of the two moves forward during wave motion - particle or disturbance?