Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Science Physics Wave

A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one second. If the speed of sound in air is 340 ms^-1, the distance between the cliffs is _______

1

340 m

2

1620 m

3

680 m

4

1700 m

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