White and polished surface reflects more heat than

black surface.

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rough surface.

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black and polished surface.

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black and rough surface.

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Solution

The correct options are
A black surface.
B rough surface.
C black and polished surface.
D black and rough surface.
When heat radiation falls on polished surfaces or white objects, most of the heat energy is reflected back but when the heat radiation falls on black and rough objects all the heat energy gets absorbed.

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Similar questions

What type of surface is needed for the reflection of sound waves?

A- Smooth surface only

B- Smooth and polished surfaces

C-Hard surfaces only

D-Polished and rough surface

Mark the correct statement:

I) Directions in which the sound is incident and is reflected make equal angles with the normal to the reflecting surface

II) Reflection of sound occurs from a polished surface

III) Reflection of sound occurs from a rough surface

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