Published by:
CGP EDU Academic Team
Published on: August 23, 2026
The Young's modulus of a steel wire of length
and cross-sectional area
, is
. The wire is suspended from its support on a given planet. A block of mass
is attached to the free end of the wire. The acceleration due to gravity on the planet is
of its value on the earth. The elongation of wire is (Take
on the earth
):
Text Solution
Verified by ExpertsThe correct answer is:
B
As we know,


Given : 

Hence 

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