Licchavi Lyceum

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Licchavi Lyceum

UPSC Prelims PYQ | Water Cycle

Q1. The water in an open pond remains cool even in hot summer because
(a) Of continuous evaporation of water
(b) Water radiates heat more rapidly than the atmosphere
(c) Water absorbs heat less rapidly than the atmosphere
(d) Water absorbs heat more rapidly than the atmosphere

(UPSC Prelims 1979)

Answer: (c) Water absorbs heat less rapidly than the atmosphere

Explanation:
Water has a high specific heat capacity, meaning it absorbs heat slowly compared to the surrounding air. This property allows pond water to remain cooler even during hot summer days, as it resists rapid temperature changes.

Slow Heating of Lake Water