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What should be the minimum distance betw...

What should be the minimum distance between the source and reflector in water so that the echo is heard distinctly ? (The speed of sound in water = 1400 m `s^(-1)`).

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To determine the minimum distance between the source of sound and the reflector in water so that the echo is heard distinctly, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Problem**: We need to calculate the minimum distance between the sound source and the reflector such that the echo can be heard distinctly. The speed of sound in water is given as 1400 m/s. 2. **Identify the Time Required for Distinct Echo**: It is stated that the minimum time required for a human to distinguish between the original sound and the echo is 0.1 seconds. ...
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