A brass sheet is `25 cm` long and `8 cm` breath at `0^(@) C`. Its area at `100^(@)C` is `(alpha = 18 xx 10^(-6 // ^(@))C)`

A sheet of brass is 40 cm long and 8 cm broad at 0^(@)C . If the area at 100^(@)C is 320.1m^(2) , calculate the coefficient of linear expansion of brass.

A disc has an area of 0.32 m^2 at 20^@C , what will be its area at 100^@C ? [alpha = 2 xx 10^-6/ @C]

A bar of iron is 10 cm at 20^(@)C . At 19^(@)C it will be ( alpha of iron =11xx10^-6//^(@)C )

A bar of iron is 10 cm at 20^(@)C . At 19^(@)C it will be (alpha_(Fe)=11xx10^(-6)//.^(@)C)

A bar of iron is 10 cm at 20^(@)C . At 19^(@)C it will be (alpha_(Fe)=11xx10^(-6)//.^(@)C)

A sheet of brass 50 cm long and 8cm broad at 0^@C . If the surface area at 100^@C is 401.57cm^2 , find the coefficient of linear expansion of brass

A sheet of brass is 50 cm long and 10 cm broad at 0^(@)C . The area of the surface increases by 1.9 cm^(2) at 100^(@)C . Find the coefficient of linear expansion of bras.

A metallic sheet is 50 cm long and 20 cm wide at 0^@C . If it is heated to 60^@C , what will be its area? Given that alpha=10^(-4)//""^@C .