Question

The ability of substance to absorb heat radiation depends on its __________ and it's intrinsic properties. a. medium , b. state , c. colour d. none .​

Answer 1

Answer:

colour

Explanation:

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Answer 2

The ability of substance to absorb heat radiation depends on its (c) colour and it's intrinsic properties.

Explanation:

Electromagnetic radiation's energy is proportional to its wavelength (colour) and ranges from low to high: a shorter wavelength (or higher frequency) correlates to a higher energy.  A temperature shift is accompanied by a hue change because higher temperatures radiate more heat.

Medium:

• When thermal radiation is emitted from a solid surface, the medium through which it flows could be vacuum, gas, or liquid.

State:

• The transfer of energy via thermal radiation, i.e. electromagnetic waves, is known as radiant heat transfer. It can happen in a vacuum or in any transparent substance.

Colour:

• Shiny coloured and metallic surfaces, in general, emit or absorb radiation energy slowly because they reflect it.