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Reflection of Sound Waves

In an experim...

Question

In an experimental determination of the velocity of sound using a Kundt's tube, standing waves are set up in the metallic rod as well as in the rigid tube containing air, both the waves have the same :

A

amplitude

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B

frequency

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C

wavelength

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D

particle velocity

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Solution

The correct option is C frequency
Speed, wavelength and amplitude change as it is traveling through different material on the other side frequency must remain constant to conserve energy (which is dependent solely on frequency).

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