When an elastic material with young's modulus 'y' is subjected to a stretching stress 'S' the elastic energy stored per unit volume of the material is ---
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a
YS2
b
S2Y2
c
S22Y
d
S2Y
answer is C.
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Detailed Solution
work done per unit volume==12×stress×strain=S22Y∵Y=longitudinal stresslongitudinal strain