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NEET 2011 Physics question

PhysicsWavesNEET 2011

Sound waves travel at 350 m/s through a warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air :

Answer: (3)

Solution

The frequency of a wave does not change when it passes from one medium to another (700 Hz). Wavelength : in

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Question ID VK-090965