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| 1. |
A tuning fork P of frequency 256 Hz produces 4 beats/s with another tuning fork Q. Whena small amount of wax is attached to Q, the number of beats heard per second is 2. Theoriginal frequency of the fork Q is:a) 252 Hzb) 262 Hzc) 260 Hzd) 256 Hz |
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