Question

NEET & AIIMS
8.
If a wire is stretched by 2%, then find the energy
stored in the wire per unit volume (in J/m3)
(Y = 4 * 108 N/m2)
(1) 4 x 104
(2) 8 x 104
(3) 12 x 104
(4) 16 104. answer is 2 but how..​

Answer 1

Answer:

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