What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere?
What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere?A. 4 : 1
B. 1 : 1
C. 2 : 1
D. 1 : 2
B. 1 : 1
C. 2 : 1
D. 1 : 2
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