Explain, with reference to the speed of sound, why the minimum distance required to…

PHYSICS · Subjective · CBSE · Physics · Sound · Sound

Problem

Explain, with reference to the speed of sound, why the minimum distance required to hear a distinct echo is smaller when the reflecting surface is under water than when it is in air.

Related theory

Sound Wave Characteristics
Sound Reflection Phenomena
Waves
Reflection of sound
Sound
Echo

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