Mechanical Properties of Solids

Related Questions

• Wires $A$ and $B$ are made from the same material. $A$ has twice the diameter and three times the length of $B$. If the elastic limits are not reached, when each is stretched by the same tension, the ratio of energy stored in $A$ to that in $B$ is

  ---

• The length of an elastic string is $a$ metre when the longitudinal tension is $4 N$ and $b$ metre when the longitudinal tension is $5 N$. The length of the string in metre when the longitudinal tension is $9 N$ is

  ---

• The ratio of diameters of two wires of same material is $n : 1$. The length of wires are $4 m$ each. On applying the same load, the increase in length of thin wire will be

  ---

• An aluminum rod (Young's modulus $=7\times {{10}^{9}}\,N/{{m}^{2}})$ has a breaking strain of $0.2%$. The minimum cross-sectional area of the rod in order to support a load of ${{10}^{4}}$ Newton's is

  ---

• The specific heat at constant pressure and at constant volume for an ideal gas are ${{C}_{p}}$ and ${{C}_{v}}$ and its adiabatic and isothermal elasticities are ${{E}_{\varphi }}$ and ${{E}_{\theta }}$ respectively. The ratio of ${{E}_{\varphi }}$ to ${{E}_{\theta }}$ is

  ---