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Two identical flutes produce fundamental...

Two identical flutes produce fundamental notes of frequency 300 Hz at `27^@C`. If the temperature of the air in one of the flutes is increased to `31^@C`, the number of beats heard per second will be

A

1

B

2

C

3

D

4

Text Solution

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The correct Answer is:
B
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CENGAGE PHYSICS ENGLISH-SUPERPOSITION AND STANDING WAVES-Single Correct Answer Type
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