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Properties of Matter question

2022 · 29 Jun · Shift 1 · Q46
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  5. /2022 · 29 Jun · Shift 1 · Q46

Properties of Matter question

2022 · 29 Jun · Shift 1 · Q46

JEE MainPhysicsProperties of MatterMCQ+4 / −1
A wire of length L is hanging from a fixed support. The length changes to L1 and L2 when masses 1 kg and 2 kg are suspended respectively from its free end. Then the value of L is equal to :
  1. A
    L1L2\sqrt {{L_1}{L_2}}L1​L2​​
  2. B
    L1+L22{{{L_1} + {L_2}} \over 2}2L1​+L2​​
  3. C
    2L1−L22{L_1} - {L_2}2L1​−L2​
  4. D
    3L1−2L23{L_1} - 2{L_2}3L1​−2L2​
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