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A copper wire of length 3 m and area of ...


A copper wire of length 3 m and area of cross-section `1mm^(2)` passes through an arrangement of two friction-less pulleys `P_(1)` and `P_(2)`. One end of the wire is rigidly clamped and a mass of 1 kg is hanged from the other end if the young's modulus for copper is `10xx10^(10)N//m^(2)` , then the elongation in the wire is

A

0.05

B

0.1 mm

C

0.2mm

D

0.3mm

Text Solution

Verified by Experts

The correct Answer is:
D
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ALLEN-ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 2 (One or more than one correct answer)
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  18. A solid uniform ball having volume V and density rho floats at the int...

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