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A wire of 10^(-2)kg m^(-1) passes over...

A wire of `10^(-2)kg m^(-1)` passes over a frictionless light pulley fixed on the top of a frictionless inclined plane, which makes an angle of `30^@` with the horizontal. Masses m and M are tied at two ends of wire such that m rests on the plane and M hangs freely vertically downwards. The entire system is in equilibrium and a transverse wave propagates along the wire with a velocity of `100 ms^(-1)`.

A

M=5 kg

B

`m/M=1/4`

C

m=20 kg

D

`m/M =4`

Text Solution

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The correct Answer is:
C
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