Question

Test yourself
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.
c) aluminium foil helps keep food warm.
d) central heating radiators work better if
they are painted black.
Kindly it’s urgent

Answer 1

Explanation:

a. because white colour dont absorb sunlight

b. because white colour is lighter than black and dont absorb sunlight

c. because aluminium foil absorb heat

d. because black colour absorbs heat

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Answer 2

1. white do not absorbs heat it reflects it.
2. white reflects heat but black absorbs it.
3. when we wrap food in aluminum foil then it donot absorbs heat but reflects it but as the food is wrapped so heat can't escape so it remains inside.
4. black absorbs more heat than any of the colour.

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