MHT CET 2023 Physics question
A tuning fork of frequency 220 Hz produces sound waves of wavelength 1.5 m in air at N.T.P. The increase in wavelength when the temperature of air is C is nearly
Answer: (D)
Solution
The frequency of the fork is fixed (220 Hz), so the wavelength is proportional to the speed of sound, . At N.T.P. () the wavelength is (speed ). At ($T = 300\
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