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A beat of 10 Hz is heard when two tuning...

A beat of 10 Hz is heard when two tuning forks A and B are sounded together. If a small piece of wax is fixed on B, the beat frequency decreae. iF A has a frequency of 200 Hz, then the frequency of B will be

A

200 Hz

B

190 Hz

C

210 Hz

D

195 Hz

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The correct Answer is:
C
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