Define 1 joule of work.

In a thermodynamic process, pressure of a fixed mass of gas is changed in such manner that the gas releases 30 joule of heat and 18 joule of work was done on the gas. If the initial internal energy of the gas was 60 joule, then the final internal energy is 8x joule. find the value of x

Define 1 J of work.

A system absorbs 1500 joule of energy as heat and produces 500 joule of work .the change in internal energy of the system will be :

In thermodynamic process, 200 Joules of heat is given to a gas and 100 Joules of work is also done on it. The change in internal energy of the gas is

The pressure of given mass of a gas in a thermodynamic system is changed in such a way that 20 joule of heat is released from the gas and 8 joule of work is done on the gas. If the initial internal energy of the gas was 30 joule then final internal energy will be

An ideal refrigerator runs between -23^(@)C and 27^(@)C . Find the heat regected to atomosphere for every joule of work input.

A spring requires 4 Joule of work to be stretched through 10 cm. Find the spring constant.

The temperature inside and outside of refrigator are 260 K and 315 K respectively . Assuming that the refrigerator cycle is reversible, calculate the heat delivered to surroundings for every joule of work done .

Define 1 W of power.

Define 1 kgf.