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Reflection of Sound

A man fires a...

Question

A man fires a bullet standing b/w two diffs first echo is heard after 38 and second echo is heard after 58. If the velocity of sound is 300m/s then distance b/w the lifts is_____.

A

660m

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B

990m

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C

1320m

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D

1950m

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Solution

The correct option is D 1320m

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