A load of 4 kg is suspended from a ceiling through a steel wire of length 2 m and radius 2 mm. It is found that, the length of the wire increases by 0.031 mm as equilibrium is achieved. What would be the Young's modulus of steel? (Take, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Given, mass of load 
Length of wire, 
Radius of wire (cross-section) 
and change in length, 
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