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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Thermodynamics
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An iron bar is heated from 00C to 500C . If γ of iron = 2×1012dyne/cm2 and α of iron is 12×106/0C . The stress developed in the rod if it is prevented from expanding is

(a)12×105N/m2(b)12×106N/m2(c)12×107N/m2(d)12×108N/m2

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