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One end of a string of length 120 cm is ...

One end of a string of length 120 cm is tied to a peg and other is attached to a weightless ring that can slide along a frictionless vertical rod fixed at a distance slightly greater then 120 cm .Find the three longest possible waveleghts

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A, C, D
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PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
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  14. A string 25cm long and having a mass of 2.5 gm is under tension. A pip...

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