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Sonal Chauhan

Man feels discomfort due to humidity because sweat does not evaporate efficiently in high humidity. Evaporation of sweat cools the body, and when humidity is high, this process is hindered, leading to overheating and discomfort.

Sonal Chauhan

When a piece of ice floating in a glass of water completely melts, the level of water in the glass remains unchanged. This is because the volume of water displaced by the ice is equal to the volume of water ...

Sonal Chauhan

Skating on ice shows that on increasing the pressure, the melting point of ice decreases. The pressure exerted by the skater lowers the melting point of the ice underneath the skate blades, causing a thin layer of ice to melt, ...