The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate.
The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate. Light source is put on and a saturation photocurrent is recorded. An electric field is switched on which has a vertically downward direction.
(a) The photocurrent will increase.
(b) The kinetic energy of the electrons will increase.
(c) The stopping potential will decrease.
(d) The threshold wavelength will increase.
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Correct Answer is: (B) The kinetic energy of the electrons will increase
The electrons will get accelerated in the electric field.Hence, kinetic energy will increase.
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