MHT CET Physics question
A uniform rope of length 12 m and mass 6 kg hangs vertically from the rigid support. A block of mass 2 kg is attached to the free end of the rope. A transverse pulse of wavelength 0.06 m is produced at the lower end of the rope. The wavelength of the pulse when it reaches the top of the rope is [MHT-CET 2021]
Answer: (A)
Solution
The frequency stays constant while : tension at the bottom is and at the top , so
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