A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intensity and (ii) the total luminous flux from the blub.

A frosted bulb which may be taken as an isotropic source, gives as ill

1.	A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intensity and (ii) the total luminous flux from the blub.
Answer» Correct Answer - (i) 200 cd (ii) `836 pi lm`

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A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intensity and (ii) the total luminous flux from the blub.

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