A metal rod `(Y+2xx10^(12)"dyne"(cm)^(-2))` of coefficient of linear expansion `1.6xx10^(-5)` per `.^(=)C` has its temperature raised by `20^(@)C`. The linear compressive stress to prevent the expansion of the rod isA. `2.4xx10^(8)"dyne"//(cm)^(-2)`B. `3.2xx10^(8)"dyne"//(cm)^(-2)`C. `6.4xx10^(8)"dyne"(cm)^(-2)`D. `4.6xx10^(8)"dyne"//(cm)^(-2)`

A metal rod `(Y+2xx10^(12)"dyne"(cm)^(-2))` of coefficient of linear e

1.	A metal rod `(Y+2xx10^(12)"dyne"(cm)^(-2))` of coefficient of linear expansion `1.6xx10^(-5)` per `.^(=)C` has its temperature raised by `20^(@)C`. The linear compressive stress to prevent the expansion of the rod isA. `2.4xx10^(8)"dyne"//(cm)^(-2)`B. `3.2xx10^(8)"dyne"//(cm)^(-2)`C. `6.4xx10^(8)"dyne"(cm)^(-2)`D. `4.6xx10^(8)"dyne"//(cm)^(-2)`
Answer» Correct Answer - C

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