When a point source of light is at a distance of 50 cm from

Last updated: 6/13/2023

When a point source of light is at a distance of 50 cm from a photoelectric cell the cut off voltage is found to be V If the same source is placed at a distance Im from the cell the cut off voltage will be A V 4 D 2V0 E 3V B V 2 C Vo 0