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JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
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5 beats / econd are heard when a tuning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either 0.95 m or 1 m. The frequency of the fork will be :
A
195 Hz
B
150 Hz
C
300 Hz
D
251 Hz

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