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प्रश्न
Young’s modulus of material of wire is ‘Y’ and strain energy per unit volume is ‘E’, then the strain is
(A) `sqrtY/(2E)`
(B) `sqrt(E/Y)`
(C) `sqrt((2E)/Y)`
(D) `sqrt(2EY)`
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उत्तर
(c) `sqrt((2E)/Y)`
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