Determine the minimum distance from a vertical wall in water at which a dolphin must…

PHYSICS · Subjective · CBSE · Physics · Sound · Sound

Problem

Determine the minimum distance from a vertical wall in water at which a dolphin must be in order to hear its own echo distinctly. Take the speed of sound in water as

1500\,\text{m/s}

Related theory

Sound Reflection Phenomena
Waves
Reflection of sound
Sound
Echo

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