GATE CY 2015 Question Paper (31-Jan-2015) (Shift 1)

Which one of the following plots represents an acceptable wavefunction?

When the operator, $-h^2\frac{d^2}{d{x}^2}$, operates on the function $e^{-ikx}$, the result is

From the above Carnot cycle undergone by an ideal gas, identify the processes in which the change in internal energy is NON-ZERO.

For an ideal gas with molar mass $M$, the molar translational entropy at a given temperature is proportional to

Which one of the following defines the absolute temperature of a system?