The speed of sound in air at N.T.P. is 300 m/s. If air pressure become – McqOptions

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1.	The speed of sound in air at N.T.P. is 300 m/s. If air pressure becomes four times, then the speed of sound will be?
A.	150 m/s
B.	300 m/s
C.	600 m/s
D.	1200 m/s
Answer» C. 600 m/s

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