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AIIMS 2018 Physics Elasticity MCQ Question

Type: MCQ-numerical-Hard-Class 11

The length of a metal wire is l₁ when the tension in it is T₁ and is l₂ when the tension is T₂. The natural length of the wire is

A

$\frac{l₁ + l₂}{2}$

B

$\frac{\sqrt{T₁}l₂}{\sqrt{T₂}}$

C

$\frac{T₂l₁ - T₁l₂}{T₂ - T₁}$

D

$\frac{T₁l₂ + T₂l₁}{T₁ + T₂}$

Correct Answer

Option

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