
Draw the temperature versus time graph for heating of ice.
Important Questions on Physical Environment-Heat

Explain the following temperature versus time graph:

A steam engine intakes of steam at per minute and cools it down to . If latent heat of vaporization of steam is , then the heat rejected by the steam engine per minute is _____
(Given : specific heat capacity of water : )






A thermally insulated cubical box of side length and wall thickness containing of ice is closed on all sides. The mass of ice melted in hours is (Thermal conductivity of the material of the box latent heat of ice and ambient temperature )





[Take specific heat of water and latent heat of steam

Heat required to melt of ice is . A man melts of ice by chewing in one minute. His power is______

[ Specific heat of water Latent heat of water ]

(Latent heat of ice is and )


Amount of heat required to convert 10 g of ice to water at 20 is

