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Iluminance of 2.4 xx 10^(5)lm//m^(2) of ...

Iluminance of `2.4 xx 10^(5)lm//m^(2)` of the surface is produced by sunlight falling normally on the surface of the earth. The distance of the earth the sun is `1.5 xx 10^(8)km`. Calculate the luminous intensity and luminous flux of the sun.

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