A metal sheet having size of `0.6 xx 0.5m^(2)` is heated from `293 K` to `520^(@)C`. The final area of the hot shee is {`alpha` of metal `= 2 xx 10^(-5 //@)C`]

A metal plate of area 1.2 m^(2) increases its area by 2.4 xx 10^(-4) m^(2) when it is heated from 0^(@)C to 100^(@) C . The coefficient of cubical excpansion of the metal expressed in per .^(@)C is

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

A uniform metal rod of 2mm^(2) area of cross section is heated from 0^(@)C to 20^(@)C . The coefficient of linear expansion of the rod is 12xx10^(-6)//""^(@)C . Its Young's modulus of elasticity is 10^(11)N//m^(2) , then the energy stored per unit volume of rod is,

An iron bar whose cross sectional area is 4cm^(2) is heated from 0^(@)C and 10^(@)C . The force required to prevent the expansion of the rod is [ Y of Iron = 2 xx 10^(12) "dyne" // cm^(2) alpha of Iron = 12 xx 10^(-6 //@) C ]

A rod of length 2m rests on smooth horizontal floor. If the rod is heated from 0^(@)C to 20^(@)C . Find the longitudinal strain developed ? (alpha=5xx10^(-5)//.^(@)C)

A rod of length 2m rests on smooth horizontal floor. If the rod is heated from 0^(@)C to 20^(@)C . Find the longitudinal strain developed ? (alpha=5xx10^(-5)//.^(@)C)