Question

why a tin can with hot water when cooled down with fresh water deserves its shape​

Answer 1

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As fresh water is brought over the hot can the stream in the can condenses and converts into the water. This results in reducing the amount of air that is present in water. The pressure of the air out side the Can becomes more than the pressure of air inside the can. This result in compressing of the can. Therefore it is proved that air exerts pressure.

Answer 2

Answer:

As fresh water is brought over the hot can the stream in the can condenses and converts into the water. This results in reducing the amount of air that is present in water.