In a junction photo cell, the value of photo-electromotive force produced by monochromatic light is proportional to |
|
a) |
The voltage applied at the junction |
b) |
The barrier voltage at the junction |
c) |
The intensity of the light falling on the cell |
d) |
The frequency of the light falling on the cell |
In a junction photo cell, the value of photo-electromotive force produced by monochromatic light is proportional to |
|
a) |
The voltage applied at the junction |
b) |
The barrier voltage at the junction |
c) |
The intensity of the light falling on the cell |
d) |
The frequency of the light falling on the cell |
(c) When a light (wavelength sufficient to break the covalent bond) falls on the junction, new hole electron pairs are created. No. of produced electron hole pairs depend upon no. of photons. So photo or current is proportional to intensity of light |