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Question

How does the dark or light colour of an object affect the amount of heat it radiates or absorbs?

(a) Dark colour objects absorb and radiate more heat than light coloured objects.
(b) Dark colour objects absorb more but radiate less heat than light coloured objects.
(c) Dark colour objects absorb less and radiate more heat than light coloured objects.
(d) Dark colour objects absorb and radiate the same amount of heat as light coloured objects.


Solution

(a) Dark-coloured objects absorb and radiate more heat than light-coloured objects.
Dark-coloured objects absorb and radiate more heat than light-coloured objects.

Science
Living Science
Standard VII

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