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Question

What are the basic quantities that are used to describe the quality of a chromatic light source?

a.

Radiance, brightness and wavelength

b.

Brightness and luminence

c.

Radiance, brightness and luminence

d.

Luminence and radiance

Answer: (c).Radiance, brightness and luminence

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Q. What are the basic quantities that are used to describe the quality of a chromatic light source?

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