Q4 of 118 Page 351

A tuning fork sends sound waves in air. If the temperature of the air increases, Which of the following parameters will change?

When the sound wave is being sent by a tuning fork, Since the velocity of the sound V ∝ √T where T is the temperature in °K. Thus with the increase in temperature V increases, but . Here ν is constant hence with the increase in V the wavelength

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