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 ?
Latent heat of $1\,gm $ of steam is $536 \,cal/gm,$ then its value in $joule/kg$ is
Explain three states and change in states for matter.
What is latent heat of fusion ? What is latent heat of vapourization ? Give its value for water.