A tuning fork is vibrating with constant frequency and amplitude. If the air is heated without changing pressure the following quantities will increase

wavelength

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frequency

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velocity

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time period

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Solution

The correct options are
A wavelength
C velocity
Velocity of sound in air, $v \propto \sqrt{T}$
Temperature of air will increase as air is heated and hence its velocity increases.
Also from, $v = ν λ$ where $ν = c o n s t a n t$ (given)
Thus, wavelength of sound waves also increases.

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A tuning fork is vibrating with constant frequency and amplitude. If the air is heated without changing pressure the following quantities will increase

The correct options are A wavelength C velocityVelocity of sound in air, v∝√TTemperature of air will increase as air is heated and hence its velocity increases.Also from, v=νλ where ν=constant (given)Thus, wavelength of sound waves also increases.

The correct options are
A wavelength
C velocity
Velocity of sound in air, $v \propto \sqrt{T}$
Temperature of air will increase as air is heated and hence its velocity increases.
Also from, $v = ν λ$ where $ν = c o n s t a n t$ (given)
Thus, wavelength of sound waves also increases.