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Standard VII
Physics
Colour of Clothes
................
Question
.................. surface absorbs more heat than any other surface under identical conditions.
A
White & Shiny
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B
White & Rough
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C
Black & Rough
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D
Yellow & Shiny
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Solution
The correct option is
C
Black & Rough
Black & rough surface absorbs more heat than any other surface under identical conditions.
Black surface absorbs all the radiations more easily than any surface as its absorptivity is
1
.
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