Question

The roof of buildings are often painted with white during summer. Why?

Answer 1

Answer:

YES THE ROOF OF THE BUILDINGS ARE PAINTED WITH WHITE

Explanation:

BECAUSE IN SUMMER THE HEAT IS VERY HIGH AND THE HEAT THAT GENERATES FROM SUN IT DIRECTLY COMES INSIDE THE ROOF AND IT COMES IN OUR ROOMS AND WE CANT ABLE TO LIVE IN THAT ROOMS SO BY APPLYING WHITE COLOUR TO THE ROOFS OF OUR BUILDINGS IT STOPS THE DIRECT HEAT FROM SUN AND IT CAUSES COOLING EFFECT IN OUR ROOMS

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Answer 2

The roof of buildings are often painted in white during summers to avoid heat being trapped in the roof.

• Temperature soars up during the summer time. Hence, white paint is applied on the roofs to avoid excessive heat being trapped in them. Heat being trapped in the roof could keep the temperature of the entire house very hot.
• White paint should be applied on roofs as unlike the black color, white color reflects heat.
• This is because the color white never absorbs any wavelength of light, i.e. it does not absorb light of different colors.
• The fact that all the chromatic wavelengths are reflected on white surfaces, is enough to confirm the fact that lights of all wavelengths make up the white light.
• To summarize, white paint of the roof will reflect the light that falls on it hence, it will not trap excessive heat during summer times.

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