1.

One end of a long rope is tied to a fixed vertical pole. The rope is stretched horizontally with a tension 8 N. Let us consider the length of the rope to be along X-axis. A sample harmonic oscillator at x = 0 generates a transverse wave of frequency 100 Hz and amplitude 2 cm along the rope. Mass of a unit length of the rope is 20 gm/m. Ignoring the effect of gravity, answer the following questionsWhich of the following is correct ?

Answer»

The wave propagates with a fixed and any PARTICLE of the MEDIUM vibrates with the same fixed SPEED
The wave propagates with a fixed speed but any particle of the medium vibrates with a variablespeed
The wave propagates with a variable speed but any particle of the medium vibrates with some fixed speed
The wave propagates with a variable speed and any particle of the medium ALSO vibrates with a variable speed

Answer :B


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