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Which of the following will radiate heat to large extent? (a) Rough surface (b) Polished surface (c) Black rough surface (d) Black polished surface

Which of the following will radiate heat to large extent?

(a) Rough surface
(b) Polished surface
(c) Black rough surface
(d) Black polished surface

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is option d

Regards
Vikas TU
14149 Points
11 months ago
polished surface
Explanation:
because rough surface is slightly able to radiate heat and black color is a good absorber of heat weather it is black rough surface or black polished surface so it is not able radiate heat faster than polished surface.
 

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