The ratio of densites or iron at `10^@C` is (alpha of iron `= 10xx10^(-6), .^@C^(-1))`

The volume and mass of an iron ball at 30^@C are 100 cm^3 and 7.8 kg respectively. What will be its volume and density at 100^@C ? alpha for iron = 1.2xx10^-5"^@C^-1 .

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 volume of the sphere if it is heated to 100^(@)C . Given alpha_(Fe) = 1.1 xx 10^(-6).^(@)C^(-1)

Calculate the percentage increase in the moment of inertia of a ring of iron. Given that alpha_("iron")=11xx10^(-6).^(@)C^(-1) and rise in temperature is 20^(@)C

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

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

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