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Properties of Matter question

2018 · Q148
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Properties of Matter question

2018 · Q148

NEETPhysicsProperties of MatterMCQ+4 / −1
Two wires are made of the same material and have the same volume. The first wire has cross-sectional area A and the second wire has cross-sectional area 3A. If the length of the first wire is increased by Δ\DeltaΔl on applying a force F, how much force is needed to stretch the second wire by the same amount?
  1. A
    6F
  2. B
    F
  3. C
    9F
  4. D
    4F
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