Home Physics Wave and Sound Basics of Mechanical Waves and Amplitude of the Waves The echo of a gun shot is heard 8 sec. after…
Physics Wave and Sound Basics of Mechanical Waves and Amplitude of the Waves MCQ (Single Correct)

The echo of a gun shot 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)

A
1400 m
B
2800 m
C
700 m
D
350 m

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Text Solution

Verified by Experts
The correct answer is:
A

Suppose the distance between shooter and reflecting surface is d. Hence time interval for hearing echo is

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