The speed of a wave is the product of its frequency and wavelength (v = fλ). Time taken to travel a distance is distance divided by speed (t = d/v). Ensure units are consistent (e.g., meters and seconds).
A sound wave has a frequency of 4 kHz and wavelength 30 cm. How long will it take to travel 2.4 km ?
Asked in UPSC CDS 2 2021 · Topic: Sound (Energy and Intensity of Sound Waves)
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