Knockout JEE Main April 2021 (One Month)
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If is stress and
is Young’s modulus of material of a wire, the energy stored in the wire per unit volume is
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As we learnt in
Work Done in Stretching Wire / Elastic P.E. -
- wherein
L - Length of wire
Correct option is 4.
Option 1)
This is an incorrect option.
Option 2)
This is an incorrect option.
Option 3)
This is an incorrect option.
Option 4)
This is the correct option.