What is sonic speed? – McqOptions

MCQOPTIONS

1.	What is sonic speed?
A.	It is the speed at which disturbance propagates at a higher velocity.
B.	It is the speed at which disturbance propagates through an inelastic medium.
C.	It is the speed at which disturbance propagates through a medium.
D.	It is the speed of air.
Answer» D. It is the speed of air.

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