Water spilled on the floor vanishes after some time even when left unattended. This is because of phenomenon X.The formation of droplets on the outer surface of a glass tumbler containing cold water is due to phenomenon Y. Which one of the following is correct?

X and Y are same phenomenon.

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X and Y together results in water cycle.

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X and Y both determines level of water on earth.

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X and Y are chemical processes.

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Solution

The correct option is B
X and Y together results in water cycle.

The water spilled on the floor gets evaporated and deposition of water droplets on the surface of a cold glass tumbler is due to condensation. So, in the given statement, X is evaporation and Y is condensation. Both of these are physical phenomena. Together they result in water cycle .

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