The time taken by a sound wave of frequency 1000 Hz and wavelength 50 cm to travel a distance of 500 m is:

Foundation

Physics Foundation

Sound

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1.5 sec

3 sec

2 sec

1 sec

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Given : n = 1000 Hz , λ = 50 cm, d = 500 m
v = nλ = 1000 ×50 × 10^–2 = 500 ms^–1
$t = \frac{d}{v} = \frac{500}{500} = 1$ second.

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