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Publish On: 2019-05-16

Andy More

Total Post: 752

Question: What do you mean by spectral emissive power

Reply On: 2013-09-24

lala singh

Total Post: 22

ANS: What do you mean by spectral emissive power

Radiant energy emitted per unit area of the surface. However, if we consider emissive power of a surface for a particular wavelength it is called spectral emissive power.

Spectral emissive power,

E = ∫∞0 eλ dλ unit = Wm-2

It is maximum for a black body and minimum for a white shining and smooth body.

 

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