The latent heat of vaporization of a substance is always
Greater than its latent heat of fusion
Greater than its latent heat of sublimation
Equal to its latent heat of sublimation
Less than its latent heat of fusion
Ametal wire is clamped between two vertical walls.At $20 ^o C$ the unstrained length of the wire is exactly equal to the separation between walls. If the temperature of the wire is decreased the graph between elastic energy density $(u)$ and temperature $(T)$ of the wire is
A substance is cooled at a constant power. Its temperature vs time graph is shown. The value of $S_{solid} : S_{liquid} : S_{gas}$
What is isolated system ?
A student takes $50\,gm$ wax $($specific heat $= 0.6\, kcal/kg°C)$ and heats it till it boils. The graph between temperature and time is as follows. Heat supplied to the wax per minute and boiling point are respectively
A solid material is supplied with heat at constant rate and the temperature of the material changes as shown below. From the graph, the false conclusion drawn is: