A tuning fork and a sonometer wire were sounded together and produce 4 – McqOptions

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1.	A tuning fork and a sonometer wire were sounded together and produce 4 beats per second. When the length of sonometer wire is 95 cm or 100 cm, the frequency of the tuning fork is [MP PMT 1990]
A.	156 Hz
B.	152 Hz
C.	148 Hz
D.	160 Hz
Answer» B. 152 Hz

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