Mechanical Properties of Solids

Related Questions

• If Young's modulus of iron is $2\times {{10}^{11}}\,N/{{m}^{2}}$ and the interatomic spacing between two molecules is $3\times {{10}^{-10}}$ metre, the interatomic force constant is

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• The only elastic modulus that applies to fluids is

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• To double the length of a iron wire having $0.5\,c{{m}^{2}}$ area of cross-section, the required force will be $(Y={{10}^{12}}\,dyne/c{{m}^{2}})$

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• A rod is fixed between two points at 20°C. The coefficient of linear expansion of material of rod is $1.1\times {{10}^{-5}}/{}^\circ C$ and Young's modulus is $1.2\times {{10}^{11}}\,N/m$. Find the stress developed in the rod if temperature of rod becomes 10°C

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• 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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