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  • Pheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed?

Pheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed? Which of the following should be Boojho’s answer?

(a)    Evaporation of water from the glass.

(b)    Water that seeped out from the glass.

(c)    Evaporation of atmospheric water vapour.

(d)    Condensation of atmospheric water vapour.

Answers (1)

The droplets of water formed when the air reaches the surface of the ice-cold glass, the water vapour of the atmosphere gets condensed to form water droplets on the outer surface of the glass. Therefore, Boojho’s answer would be Condensation of atmospheric water vapour.

Hence option (D) is correct . 

Posted by

Sumit Saini

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