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The distance between boy and a hill is 250 metres. If the boy shouts, after how long will the echo be heard?​
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The distance between boy and a hill is 250 metres. If the boy shouts, after how long will the echo be heard?​

User Maswadkar
by
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1 Answer

6 votes

Answer:

1.5 s is the distance eco will be heard

User Mahantesh M Ambi
by
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