A block of ice at $-12^{\circ} C$ is slowly heated and converted into steam at $100^{\circ} C$. Which of the following curves best represents the event?
What is isolated system ?
Which of the substances $A, B$ or $C$ has the highest specific heat $?$ The temperature vs time graph is shown
An ice cube at temperature $-20^o C$ is kept in a room at temperature $20^o C$. The variation of temperature of the body with time is given by
A metallic ball and highly stretched spring are made of the same material and have the same mass. They are heated so that they melt, the latent heat required
The point on the pressure temperature phase diagram where all the phases co-exist is called