The height of a barometer, having a brass scale, which is correct at `0^@C` is 76.09 cm at `17.8^@C` . Find the true height at `0^@C` . Coefficient of linear expansion of brass is `0.000019//^@C` and cubical expansion of mercury is 0.00018 .

The co-efficient of volume expansion of a solid is 0.000054 /^@C . What is the linear expansion co-efficient ?

A metal bar is 52.302 cm long at 18^@C and 25.359 cm long at 98^@C . What is the coefficient of linear expansion of the metal ?

A weight thermometer contains 500 gram of mercury at 0^@C . What mass of mercury will overflow if the temperature is raised up to 100^@ C . Co-efficient of real expansion of mercury is 0.00018//^@C . Co -efficient of linear expansion of glass is 0.00001//^@C .

The volume of metalic ball is 100 cc at 0^@C . When its temperature is raised to 150^@C , its volume becomes 100 .81 cc . Find the coefficient of linear expansion of the metal.

A metal rod of length 50cm at 20^@C is heated to 95^@C . It's length becomes 50.06cm.Find the coefficient of linear expansion and length of the rod at 0^@C .

A brass disc at a 20^@C has a diameter of 30 cm and a hole cut in the centre is 10 cm in diameter. Calculate the diameter of the hole when temperature of the disc is raised to 50^@C . The coefficient of linear expansion of brass= 0.000018 per^@C .

A weight thermometer contains 82 gm of a liquid at 10^@ C and on heating it to 85^@ C , 2gm of the liquid are expelled. Find the coefficient of absolute expansion of the liquid if the coefficient of linear expansion of glass is 0.000009//^@C .

What should be the length of steel abd copper rods at 0^@C so that the difference in their lengths is 5.0 cm at all temperatures. Coefficient of linear expansion of copper is 1.7 xx 10^(-5) //^@ C and that of steel is 1.1 xx 10^(-5) //^@ C .