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1. |
Toning fork for A has frequency 1% greater than that of standard fork B while tuning fork C has frequency 2% smaller than that of B. When A and B are sounded together, then number of beats heard per second is 5. The frequency of tuning fork C is approximately |
A. | 93 Hz |
B. | 163 Hz |
C. | 233 Hz |
D. | 283 Hz |
Answer» C. 233 Hz | |