Logarithms of readings of pressure and volume from ideal gas were plotted on a graph as shown . By measuring the gradient , it can be shown that the gas may be

Question

(a) Monoatomic and undergoing an adiabatic change

(b) Monoatomic and undergoing isothermal change (c) Diatomic and undergoing an adiabatic change (d) Triatomic and undergoing isothermal change