a
intensity of incident light
b
frquency of incident light
c
material of the photocathode
d
potential difference between the cathode and the anode
Explanation
Correct Option
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Discussions (6)

leonard001
2 years ago
threshold frequency is the frequency that must be reached before an electron can be emitted. different materials have different threshold frequency
the answer is C
intensity will determine the number of electrons to be emitted
while frequency (not threshold frequency oh, normal frequency) will determine the speed/velocity of the electrons emitted

Idowuayomideolaniyi
2 months ago
threshold depends on the material and different for each material while the amount of emmisoon depends on intensity of light.


