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Question
A metal rod Y = 2 × 1012 dyne cm-2 of coefficient of linear expansion 1.6 × 10-5 per °C has its temperature raised by 20°C. The linear compressive stress to prevent the expansion of the rod is ______.
Options
2.4 × 108 dyne cm-2
3.2 × 108 dyne cm-2
6.4 × 108 dyne cm-2
4.6 × 108 dyne cm-2
MCQ
Fill in the Blanks
Solution
A metal rod Y = 2 × 1012 dyne cm-2 of coefficient of linear expansion 1.6 × 10-5 per °C has its temperature raised by 20°C. The linear compressive stress to prevent the expansion of the rod is 6.4 × 108 dyne cm-2.
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Thermal Expansion
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