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MHT CET 2023 Physics question

PhysicsWavesMHT CET 2023

A sound of frequency 480 Hz is emitted from the stringed instrument. The velocity of sound in air is 320 m/s. After completing 180 vibrations, the distance covered by a wave is

Answer: (C)

Solution

The source makes 480 vibrations per second, so 180 vibrations take . In this time the wave travels , option (c). Alternatively, the wavelength is

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Question ID VK-096308