MHT CET Physics question
A sonometer wire resonates with a given tuning fork forming standing wave with 5 antinodes between two bridges when mass of 9 kg is suspended from the wire. When mass 'm' is suspended from the wire, with same fork and same length between two bridges 3 antinodes are formed. Mass m is [MHT-CET 2022]
Answer: (D)
Solution
For fixed frequency and length is constant: , so $
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