Considering speed of sound in gas. Choose the incorrect pair.
A
Temperature of gas is made 
Speed becomes 2 times and pressure 2 times. times.
Speed becomes 2 times and pressure 2 times. times. B
Only pressure is made 
Speed remains times without change in unchanged. temperature.
Speed remains times without change in unchanged. temperature. C
Only temperature is changed 
Speed becomes to 4 times. 2 times.
Speed becomes to 4 times. 2 times. D
Molecular mass of the gas is 
Speed becomes 
made 4 times. 
times.
Speed becomes made 4 times. times.
Text Solution
Verified by ExpertsThe correct answer is:
D
Velocity, 
Speed does not change with change in pressure unless temperature is changed.
When molecular mass of the gas is made 4 times speed becomes half.
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