Question

Explain why
a: In hot countries' houses are often painted white.
b: on a hot summer's day' the inside of a white car is cooler than the inside of a black car.

Answer 1

Answer:

In hot countries houses are often painted white because white is only a colour which reflect the light and therefore absorb less heat.

On hot summer days the inside of white car is cooler than the inside of black car because the white colour absorb less heat compared to black.

Answer 2

Answer:

ans(a):-In places of hot climate, it is advised that the outer walls of house be painted white because white colour does not absorb any heat radiation from the sun which keep inside cool even if there is hot climate outside the house.

Explanation:

Ans(b) :-a hot summer day the inside of a white car cooler than the inside of a black car? ... White and other cool colors, such as light blues and silvers, are better at reflecting wavelengths of light, or heat. The light will be directed back towards the source.