A wire of length L, area of cross-section A is hanging from a fixed support. The length of the wire changes to 
when mass M is suspended from its free end. The expression for Young's modulus is [NEET 2020]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Here, change in length of wire, 
Area of cross-section 
Force, 
Young's modulus, 
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