100 and 110 photons hit an atom and 63 electrons are emitted both times. why us it aways 63?

If 100 and 110 photons hit an atom and 63 electrons are emitted due to the threshold frequency

Explanation:

Because of the effect of threshold frequency. Both the times 63 electrons are only emitted  and its due to the level of threshold value.  

Threshold frequency is can be defined as the minimum frequency at which electrons will be  getting emitted  when it hits. If none of the electrons are getting ejected, this states that the frequency of the light is lesser than the threshold frequency

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