Photo cells are used for the

Photo diodes are used is

In a p-n junction photo cell, the value of the photo electromotive force produced by monochromatic light is proportional to

In a p-n junction photo cell, the value of the of the photo electromotive force produced by monochromatic light is proportional to

In a p-n junction photo cell, the value of the photo electromotive force produced by monochromatic light is proportional to

A source of light is placed at a distance of 50 cm from a photo cell and the stopping Potential is found to be V_0 . If the distance between the light surface and photo cell is made 25 cm, the new stopping potential will be

Photo cells convert

Photo cell is a device to