Fundamentholfundamenthol
NEET2019Paper 2019Physics
Q.

When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + l). The elastic potential energy stored in the extended wire is :

  1. A

    Mgl

  2. B

    MgL

  3. C

    ½ Mgl

  4. D

    ½ MgL

Solution

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