Question

In case of hot climate it is advised that outer walls of houses should be painted white explain

Answer 1

white color absorbs less light .. it reflects most of light thus keeps the wall cool so it is advised to white wash .

Answer 2

Hey :
Here is ur answer :-
Actually white colour reflects most of the light that falls on it. In the places of hot climate it is advised to paint the houses white so that it reflects the light falling on it and thus helps in keeping the house cool.
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Hope it helps ☺