A solid substance is at $30°C$. To this substance heat energy is supplied at a constant rate. Then temperature versus time graph is as shown in the figure. The substance is in liquid state for the portion (of the graph)
A block of ice at $- 10°C$ is slowly heated and converted to steam at $100°C.$ Which of the following curves represents the phenomenon qualitatively
Why the cooking is faster in pressure cooker ?
The temperature at which the vapour pressure of a liquid becomes equals to the external (atmospheric) pressure is its