Heat and Thermodynamics · Physics · AIIMS

The temperature of food material in refrigerator is 4$$^\circ$$C and temperature of environment is 15$$^\circ$$C. If carnot cycle is used in its worki...

If $$7 \mathrm{~gm} \mathrm{~N}_2$$ is mixed with $$20 \mathrm{~gm} \mathrm{~Ar}$$, there $$\frac{C_p}{C_V}$$ of mixture will be

In an isobaric process, the work done by a di-atomic gas is 10 J, the heat given to the gas will be

Calculate radiation power for sphere whose temperature is 227$$^\circ$$C, radius 2 m and emissivity 0.8.

An ideal gas initially at pressure 1 bar is being compressed from $$30 \mathrm{~m}^3$$ to $$10 \mathrm{~m}^3$$ volume and its temperature decreases fr...

Assertion : Vibrational degree of freedom of a di-atomic gas molecule appears at every high temperature. Reason : Di-atomic gas has two vibrational de...

Assertion : $$\mathrm{NH}_3$$ is liquidities more easily than $$\mathrm{CO}_2$$. Reason : Critical temperature of $$\mathrm{NH}_3$$ is more than $$\ma...

Assertion : In adiabatic process work is independent of the path. Reason : In adiabatic process work done is equal to negative of change in internal e...

An ideal gas of mass $$m$$ in a state $$A$$ goes to another state $$B$$ via three different processes as shown in figure. If $$Q_1, Q_2$$ and $$Q_3$$...

A gas consisting of a rigid diatomic molecules was initially under standard condition. Then, gas was compressed adiabatically to one-fifth of its init...

Assertion In isothermal process, whole of the heat energy supplied to the body is converted into internal energy. Reason According to the first law of...

Assertion Internal energy of an ideal gas does not depend on volume of gas. Reason Internal energy depends only on temperature of gas.