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InterviewSolution
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7. a) Define luminous intensity of a point source of light. Write down the relationship betweenuminous flux and luminous intensity |
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Answer» Luminous intensity is an expression of the amount of light power emanating from a point source within a solid angle of onesteradian. Divided by thefluxper unit solid angle is equaltotheintensity; divided by thefluxper unit area is equaltotheintensity of illumination,intensitydivided by unitofarea equal brightness |
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