An iron rod of length 50 cm is joined at an end to aluminium rod of length 100 cm. All measurements refer to `20^(0) C` . Find the length of the composite system at `100^(o) C` and its average coefficient of linear expansion. The coefficient of linear expansion of iron and aluminium are `12 X 10^(-6 ) C^(-1)` and `24 X10^(-6 ) C ^(-1)` respectively.

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 :

Find the ratio of the lengths of an iron rod and an aluminum rod for which the difference in the lengths in independent of temperature. Coefficients of linear expansion of iron and aluminum are 12 xx10^(-6)C^(-1) and 23 xx 10^(-6)C^(-1) respectively.

An iron rod and a copper rod lie side by side. An the temperature is changed, the difference in the length of the rods remains constant at a value of 10 cm. Find the lengths at 0^o C . Coefficients of linear expansion of iron and copper are 1.1 xx 10^(-5) C^(-1) and 1.7 xx 10^(-5) C^(-1) respectively.

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

The coefficient of linear expansion of gold is 14 xx 10^(-6)//""^(@)C . Find the coefficient of linear expansion on Fahrenheit scale.

At 50^(@)C , a brass rod has a length 50 cm and a diameter 2 mm . It is joined to a steel rod of the same length and diameter at the same temperature . The change in the length of the composite rod when it is heated to 250^(@)C is (Coefficient of linear expansion of brass = 2.0 xx 10^(-5)"^(@) C^(-1) , coefficient of linear expansion of steel = 1.2 xx 10^(-5) "^(@) C^(-1) )

An aluminium sphere of 20cm diameter is heated from 0^(@)C to 100^(@)C . Its volume changes by (given that the coefficient of linear expanison for aluminium (alpha_(Al) = 23 xx 10^(-6//0)C)

The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C , its density is 9.7 g//c c . The coefficient of linear expansion of the substance is

A aluminum can of cylindrical shape contains 500cm^3 of water. The area of the inner cross section of the can is 125cm^2 . All measurements refer to 10^@C . Find the rise in the water level if the temperature increases to 80^@C . The coefficient of linear expansion of aluminum =23 xx 10^(-6)C^(-1) and the average coefficient of volume expansion of water= 3.2xx10^(-4)C^(-1) respectively.

A aluminium can of cylindrical shape contains 500cm^3 of water. The area of the inner cross section of the can is 125cm^2 . All measurements refer ti 10^@C . Find the rise in the water level if the temperature increases to 80^@C . The coefficient of linear expansion of aluminium =23 xx 10^(-6 @ )C(-1) respectively.