what should be the minimum distance between the source of sound and the collector in water so that the distinctly?( the first sound in water is 1450m/s?
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The answer is 72.5m
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Explanation:
that is, 140 m. This is twice the minimum distance between a source of sound and the reflector. So, if the obstacle is at a distance of 70 m at least, the reflected sound or the echo is heard after 0.1 second, distinctly.
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Answer to aapne khud hi de diya h
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