Question

what is radiant power (intensity)​

Answer 1

Answer:

In radiometry, radiant flux or radiant power is the radiant energy emitted, reflected, transmitted or received, per unit time, and spectral flux or spectral power is the radiant flux per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength.

Explanation:

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Answer 2

Answer:

The amount of power emitted by a source in a particular direction per unit solid angle is called radiant intensity Ie, and is measured in watts per steradian.

Explanation:

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