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Radiation

Black surface...

Question

Black surfaces are poor absorbers of heat radiation.

A

True

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B

False

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Solution

The correct option is B False
Explanation:
The black body is defined as a surface that absorbs all radiant energy falling on it.
Black surfaces are good absorbers of heat radiations.
Hence, the given statement is false.

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Similar questions

Q. Black surfaces are the poor absorber of heat radiations.

Q. Write true or false for given statement :
Black surfaces are poor absorbers of heat radiations.

Q. Complete the following:
(a) Heat transfer in solids is by ................., in liquids is by .................. and in gases is by ................. .
(b) Good absorbers are ......................... radiators.
(c) Black (or dull) surfaces are ................ reflectors, but ............... absorbers of heat.
(d) Highly polished surfaces are .............. .
(e) Heat radiations differ from visible light in ............... .

A _______ surface is a poor radiator of heat.

Which one of the following surfaces are the best radiator and absorber of heat?

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