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1. |
Two tuning forks P and Q are vibrated together. The number of beats produced are represented by the straight line OA in the following graph. After loading Q with wax again these are vibrated together and the beats produced are represented by the line OB. If the frequency of P is 341Hz, the frequency of Q will be |
A. | 341 Hz |
B. | 338 Hz |
C. | 256 : 16 : 196 |
D. | None of the above |
Answer» D. None of the above | |