The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Options: A . &nbspIncreases B . &nbspDecreases C . &nbspRemains constant D . &nbspMay increase or decrease ; depends on the material

The absorptivity of a grey body at a given temperature _________

Question

The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation.

Options:

A . Increases

B . Decreases

C . Remains constant

D . May increase or decrease ; depends on the material

Answer: Option D

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