An iron bar 10 cm in length is kept at `20^@C`. If the coefficient of linear expansion of iron is `alpha = 11 xx 10^(-6).^(@)C^(-1)`, then at `19^(@)C` it will be

Coefficient of linear expansion of iron is 12 times 10^(-6@)C^(-1) - explain the statement.

An iron bar of length 10 m is heated from 0^@C " to " 100^@C . If the coefficient of linear thermal expansion of iron is 10xx10^(-6) .^@C^(-1) , then increase in the length of bar (in cm ) is

An iron bar of length 10 m is heated from 0^@C " to " 100^@C . If the coefficient of linear thermal expansion of iron is 10xx10^(-6) .^@C^(-1) , then increase in the length of bar (in cm ) is

If the co-efficient of linear expansion of iron is 12 xx 10^-6 //^@C , the value of co-efficient of superficial expansion is.

An iron sphere has a radius of 10 cm at 0°C. The change in volume of the sphere if it is heated to 100^(@)C (coefficient of linear expansion of iron = 11 xx 10^(-6)^(@) C^(-1) ) is

An iron sphere of radius 10 cm is at temperature , 10^(@)C . If the sphere is heated upto temperature 110^(@)C , find the change in the volume of the sphere coefficient of linear expansion of iron = 11 xx 10^(-6) .^(@)C^(-1)

An iron sphere has a radius of 10 cm at a temperature of 0^(@)C . Calculate the change in the volume of the sphere, if it is heated to 100^(@)C . Coefficient of linear expansion of iron = 11 xx 10^(-6).^(@)C^(-1) .

An iron rod of length 50 cm is joined at an end to an aluminum rod of length 100 cm. All measurements refer to 20^(@)C . The coefficients of linear expansion of iron and aluminum are 12xx10^(-6)//^(@)C and 24xx10^(-6)//^(@)C , respectively. The average coefficient of expansion of composite system is :