Published by:
CGP EDU Academic Team
Published on: August 23, 2026
A thin rod having a length of 
and area of cross-section 
is suspended vertically from one end. The rod is cooled from 
to 
. After cooling, a mass 
is attached at the lower end of the rod such that the length of rod again becomes 
. Young's modulus and coefficient of linear expansion of the rod are 
and 
, respectively. The value of 
is__ 
. (Take 
)
Text Solution
Verified by ExpertsThe correct answer is:
60
(60) 
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