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Properties of Matter question

2021 · 26 Feb · Shift 2 · Q58
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  5. /2021 · 26 Feb · Shift 2 · Q58

Properties of Matter question

2021 · 26 Feb · Shift 2 · Q58

JEE MainPhysicsProperties of MatterMCQ+4 / −1
The length of metallic wire is l1 when tension in it is T1. It is l2 when the tension is T2. The original length of the wire will be :
  1. A
    T1l1−T2l2T2−T1{{{T_1}{l_1} - {T_2}{l_2}} \over {{T_2} - {T_1}}}T2​−T1​T1​l1​−T2​l2​​
  2. B
    l1+l22{{{l_1} + {l_2}} \over 2}2l1​+l2​​
  3. C
    T2l1+T1l2T1+T2{{{T_2}{l_1} + {T_1}{l_2}} \over {{T_1} + {T_2}}}T1​+T2​T2​l1​+T1​l2​​
  4. D
    T2l1−T1l2T2−T1{{{T_2}{l_1} - {T_1}{l_2}} \over {{T_2} - {T_1}}}T2​−T1​T2​l1​−T1​l2​​
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