Physics
Fill in the blanks:
_________ is a process that involves direct conversion of a solid into its vapour on heating.
Related Questions
A certain quantity of water is heated from 20°C to 100°C. Its temperature is recorded after each 1 minute. The observations are:
Time (in minute) Temperature (in °C) 0 20 1 30 2 40 3 50 4 60 5 70 6 80 7 90 8 100 9 100 10 100 11 100 12 100 What conclusion do you draw from the above table about the boiling point of water? Explain.
A patient suffering from high fever is advised to put wet cloth strips on his forehead. Why?
When we put some acetone or petrol on our palm, it feels cold. Give reason.
On a humid day, you sweat more and feel less cool in comparison to a breezy day where sweating makes you feel much cooler. Give reason.