List of top Physics Questions on Thermodynamics asked in AP ECET Agricultural Engg, AP ECET Chemical Engg

In a photoelectric experiment, the stopping potential for incident light of wavelength 4000 Å is 2 V. If the wavelength is changed to 3000 Å, the new stopping potential will be approximately:

The R.M.S. speed of oxygen molecules at 27 °C is $v$. At 927 °C the rms speed will be:

A bubble of an ideal gas rises from the bottom of a lake to the surface. At the bottom, the pressure is 3 Atm. and the temperature is 7 °C. At the surface, the pressure is 1 atm. and the temperature is 27 °C. If the initial volume of the bubble was $V_0$ what is its volume $V_f$ at the surface?

At constant temperature, the product PV is plotted against pressure P for an ideal gas. The graph obtained is:

If the pressure of an ideal gas is doubled and its absolute temperature is halved; the volume will become:

A bubble rises from the bottom of a lake \(90\) m deep. On reaching the surface, its volume becomes \((\text{Atmospheric pressure is }10\text{ m of water})\)

A sealed glass jar is full of water. When its temperature is decreased to \(0^\circ C\),

A vessel containing \(10\) liters of an ideal gas at a pressure of \(760\) mm of Hg is connected to an evacuated \(9\) liter vessel. The resultant pressure is

A gas is compressed at a constant pressure of \(50\,N/m^2\) from a volume of \(10\,m^3\) to a volume of \(4\,m^3\). Energy of \(100\,J\) is then added to the gas by heating. Its internal energy is

During the melting of a slab of ice at \(273K\) at atmospheric pressure