Iron sheet 50 cm × 20 cm is heated through 100 °C. If a = 12 × 10-6 – InterviewSolution

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1.	Iron sheet 50 cm × 20 cm is heated through 100 °C. If a = 12 × 10-6/°C, the change in area is(A) 2.4 cm2(B) 3.4 cm2(C) 4.2 cm2(D) 5.3 cm2
Answer» Correct option is: (A) 2.4 cm²

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