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Question: Answered & Verified by Expert
The frequency of vibration f of a mass m suspended from a spring of spring constant k is given by a relation of the type f=c mx ky, where c is a dimensionless constant. The values of x and y are
PhysicsUnits and DimensionsJEE Main
Options:
  • A x=12, y=12
  • B x= -12, y= -12
  • C x=12, y= -12
  • D x= -12, y=12
Solution:
2586 Upvotes Verified Answer
The correct answer is: x= -12, y=12
f=c mx ky;

Spring constant k= force/length.

M0 L0 T-1=MxMT-2y=Mx+y T-2y

x+y=0, -2y= -1  or y=12

Therefore, x= -12

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