All solids above 1000 k begin to emit radiation in what range on the electromagnetic scale?

radio
infrared
visible light
ultraviolet

Infrared

Explanation:

Wien's displacement law states that the peak wavelength of the radiation emitted by an object is given by

where

is the Wien's displacement constant

T is the absolute temperature of the object

In this problem,

T = 1000 K

So the peak wavelength of the radiation emitted by the body is

And this corresponds to infrared radiation, whose range of wavelength is 700 nm - 1 mm.

b.

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