A rod is heated from `0^@` to `10^@` its length is changed by `0.02%` by what `%` mass density is changed?

The length of a rectangle is decreased by 10% and its breadth is increased by 10%. By what percent is its area changed ?

A rectangular block is heated from 0^(@)C to 100^(@)C . The percentage increases in its length is 0.10 % what will be the percentage increases in it volume ?

A rectangular block is heated from 0^(@)C to 100^(@)C . The percentage increases in its length is 0.10 % what will be the percentage increases in it volume ?

If the temperature of a rod is increased by 10^@C , its length increases by 1 %. What is the percentage change in volume of the body of the same material for 10^@C increase in temperature ?

Water is heated from 0^(@)C ato 10^(@)C . How does the density of water change with temperature?

A metallic wire is stretched so that its length increases by 0.2% . Calculate the percentage change in resistance.

The length of a reactangle is increased by 10% while its breadth is decreased by 10%. what is the consequent percentage change in the area of the reactangle ?