Mechanical Properties of Solids

Related Questions

• The coefficient of linear expansion of brass and steel are ${{\alpha }_{1}}$ and ${{\alpha }_{2}}$. If we take a brass rod of length ${{l}_{1}}$ and steel rod of length ${{l}_{2}}$ at 0°C, their difference in length $({{l}_{2}}-{{l}_{1}})$ will remain the same at a temperature if

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• The force required to stretch a steel wire of $1\,c{{m}^{2}}$ cross-section to $1.1$ times its length would be $(Y=2\times {{10}^{11}}\,N{{m}^{-2}})$

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• On stretching a wire, the elastic energy stored per unit volume is

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• A rod of length l and radius r is joined to a rod of length l/2 and radius r/2 of same material. The free end of small rod is fixed to a rigid base and the free end of larger rod is given a twist of $\theta {}^\circ $, the twist angle at the joint will be

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• The compressibility of water is $4\times {{10}^{-5}}$ per unit atmospheric pressure. The decrease in volume of 100 cubic centimeter of water under a pressure of 100 atmosphere will be

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