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A wire of length l, area of cross-sectio...

A wire of length l, area of cross-section A and Young,s modulus of elasticity Y is suspended form the roof of a building. A block of mass m is attached at lower end of the wire. If the block is displaced from its mean position and released then the block starts oscillating. Time period of these oscillations will be

A

`2pisqrt(Al)/(mY)`

B

`2pisqrt(AY)/(ml)`

C

`2pisqrt(ml)/(YA)`

D

`2pisqrt(m)/(Yal)`

Text Solution

Verified by Experts

The correct Answer is:
C
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DC PANDEY ENGLISH-SIMPLE HARMONIC MOTION-Only one question is correct
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