The work functions for three metals x,y and z
z are respectively 3'ev', 5ev and 7'ev', then
more reactive metal?
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The work function is the minimum energy that is required to emit a photoelectron from a metal.
- Less work function means a lesser amount of energy is needed to eject the electrons.
- It means that the metal is more reactive towards the photoelectric effect.
- Hence, metal X with the lowest work function is more reactive.
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