In a winter season let us take the temperature of Ooty from Monday to Friday to be in A.P. The sum of temperature from Monday to Wednesday is `0^(@)C` and the sum of the temperature from Wednesday to Friday is `18^(@)C` . Find the temperature on each of the five days.

If the temperatures of a black body increases from 7^@ C to 287^@ C then, the rate of energy of radiation is

When the temperature of a gas increases from 0^(@)C the valume of the gas increases by a factor of 1.25 what is the final temperature ?

The temperature of an iron piece is heated from 30°C to 90°C . What is the change in it's temperature on the Fahrenheit scale ?

A calorimeter containes 50g of water at 50^(@)C . The temperature falls to 45^(@)C in 10 minutes. When the calorimeter contains 100g of water at 50^(@)C it takes 18 minutes for the temperature to become 45^(@)C . Find the water equivalent of the calorimeter.

Suppose a person wants to increase the efficieny of the reversible heat engine that is operating between 100^(@)C and 300^(@)C He had two ways to increase the efficiency . ( a) By decreasing the cold reservoir temperature from 100^(@)C to 50^(@)C and keeping the hot reservoir temperature of the hot reservoir from 300^(@)C to 350^(@)C by keeping the cold reservoir temperature constnat which is the suitable method ?