1.

A steel rod of diameter 1 cm is clamped firmly at each end, when its temperature is 25∘C, so that it cannot contract on cooling. The tension in the rod, at 0∘C is approximately, ( α=10−5/∘C, Y=2×1011 Nm−2 )

Answer»

A steel rod of diameter 1 cm is clamped firmly at each end, when its temperature is 25C, so that it cannot contract on cooling. The tension in the rod, at 0C is approximately, ( α=105/C, Y=2×1011 Nm2 )



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