INSIGHT UPSC QUIZ

GS Geography Physical Geography of World
Q.

The temperature of water at the bottom of a large waterfall is higher than that of the water at the top because:

Explanation:

ANS. (C) 
The water gains kinetic energy as it falls down and loses its potential energy. Assuming no other losses, part of the kinetic energy gain of water is converted into heat, raising the temperature of water.

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