AIIMS 2015 Physics Chinese Remainder Theorem MCQ Question with Solution

The length of a metal wire is $l_1$ when the tension in it is $T_1$ and is $l_2$ when the tension is $T_2$ . The natural length of the wire is

A

$\frac{l_1 + l_2}{2}$

B

$\sqrt{l_1 l_2}$

C

$\frac{l_1 T_2 - l_2 T_1}{T_2 - T_1}$

D

$\frac{l_1 T_2 + l_2 T_1}{T_1 + T_2}$

Correct Answer

Option C

Detailed explanation coming soon.

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