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The wavelength range of thermal radiatio...

The wavelength range of thermal radiation is

A

from 4000 Å to 7000 Å

B

from 7700 Å to `4xx10^(6)Å`

C

from `10^(6)Å` to `10^(8)Å`

D

from `4xx10^(-12)Å` to `4xx10^(8)Å`

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from `7700Å` to `4xx10^(6)Å`
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