The echo of a gunshot is heard 8 sec. after the gun is fired. How far from him is the surface that reflects the sound (velocity of sound in air = 350 m/s) [JIPMER 1999]

Both longitudinal and transverse elastic waves

The echo of a gunshot is heard 8 sec. after the gun is fired. How far

1.	The echo of a gunshot is heard 8 sec. after the gun is fired. How far from him is the surface that reflects the sound (velocity of sound in air = 350 m/s) [JIPMER 1999]
A.	1400 m
B.	2800 m
C.	Both longitudinal and transverse elastic waves
D.	350 m
Answer» B. 2800 m

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The echo of a gunshot is heard 8 sec. after the gun is fired. How far from him is the surface that reflects the sound (velocity of sound in air = 350 m/s) [JIPMER 1999]

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