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wjhen a chromatic source of light is at a distance of 0.2 m from a photoelectric cell the cut off voltage and the saturation current respectively are 0.6 V and 18mA. If the same source is placed o.6 m away from the cell then the saturation current will be?

Himaja , 11 Years ago

Grade 12

1 Answers

Vikas TU

Last Activity: 9 Years ago

COMPARING to the Intensity formulae

it is inversely prop. to the square of the distance .

Thus,

18 = k/(0.2)^2

I = k/(0.6)^2

divide them and get II.

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Modern Physics> wjhen a chromatic source of light is at a...

wjhen a chromatic source of light is at a distance of 0.2 m from a photoelectric cell the cut off voltage and the saturation current respectively are 0.6 V and 18mA. If the same source is placed o.6 m away from the cell then the saturation current will be?

Himaja , 11 Years ago

Vikas TU

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