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A fork A has frequency 2% more than the standard fork and B has a frequency 3% less than the frequency of same standard fork. The forks A and B when sounded together produced 6 beats `s^(–1)`. The frequency of fork A is
A. |
116.4Hz |
B. |
120Hz |
C. |
122.4 Hz |
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D. |
238.8Hz |