A metal rod having a linear coefficient of expansion `2 xx 10^(-5 //@) C` has a length `1m` at `25^(@)C`, the temperature at which it is shortened by `1mm` is `

A metal rod having a coefficient of linear expansion of 2 xx 10^-5 /^@C has a length of 100 cm at 20^@C . The temperature at which it is shortened by 1 mm is

A metal rod has a length of 1 m at 30^(@)C.'alpha' of metal is 2.5xx10^(-5)//""^(@)C . The temperature at which it will be shortened by 1 mm is

An iron rod and another of brass, both at 27^@C differ in length by 10^-3 m. The coefficient of linear expansion for iron is 1.1xx10^(-5)//^(@)C and for brass is 1.9xx10^(-5)//^(@)C . The temperature at which both these rods will have the same length is

An iron rod and another of brass, both at 27^@C differ in length by 10^-3 m. The coefficient of linear expansion for iron is 1.1xx10^(-5)//^(@)C and for brass is 1.9xx10^(-5)//^(@)C . The temperature at which both these rods will have the same length is

At temperature T, length of rod is L. If coefficient linear expansion of material of rod is 2 xx 10^(-2)//.^(@)C then length of rod when temperature of rod increased by 25^(@)C is

Two metal rods have coefficients of linear exapansion 1.1 xx 10^(-5 //)C and 1.65 xx 10^(-5 //@)C respectively. The difference in lengths is 10cm at all temperatures. Their initial lengths must be respectively.

The coefficient of linear expansion of a metal rod is 12 xx 10^(-6//0)C , its value in per ^(0)F