A tuning fork vibrating at is struck in air.

PHYSICS · Multi-part · CBSE · Physics · Sound · Sound

Problem

A tuning fork vibrating at 512 Hz512\,\text{Hz} is struck in air. (a) If the speed of sound in air is 340 m/s340\,\text{m/s}, calculate the wavelength of the sound produced. (b) The same tuning fork is then held over the mouth of a deep water tank. Taking the speed of sound in water as 1500 m/s1500\,\text{m/s}, calculate the wavelength of the sound in water. (c) By what factor does the wavelength change when the sound travels from air to water?

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