Home Physics Wave and Sound JEE Main 2020-Wave Mechanics A uniform thin rope of length and mass han…
Physics Wave and Sound JEE Main 2020-Wave Mechanics MCQ (Single Correct)

A uniform thin rope of length and mass hangs vertically from a rigid support and a block of mass is attached to its free end. A transverse short wavetrain of wavelength is produced at the lower end of the rope. What is the wavelength of the wavetrain (in ) when it reaches the top of the rope?

A
6
B
3
C
12
D
9

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Verified by Experts
The correct answer is:
C

JEE Main 2020

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