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The wavelength of two waves are 50 and 5...

The wavelength of two waves are 50 and 51 cm respectively. The temperature of the room is `20^(@)C`. What will be the number of beats produced per second by these waves, if the speed of sound at `0^(@)C` is 332 m/sec?

A

24

B

14

C

10

D

None of these

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The correct Answer is:
B
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