The conversion of a solid into vapours without passing through the liquid state is called:

During summer days, water kept in an earthen pot(pitcher) becomes cool because of the phenomenon of:

On converting 25°C, 38°C and 66°C to Kelvin scale, the correct sequence of temperatures will be:

The evaporation of water increases under the following conditions:

On converting 308K, 329K and 391K to Celsius scale, the correct sequence of temperatures will be: