Doubt by Harsh
Work function of a cathode is 4.2 ev energy of incident photon is 6.2 ev .anode is kept at +2 volt wrt cathode.
Calculate minimum and maximum KE of electron reaching at cathode
Answers
Answer by Divya Garg
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Answer by Kajal Garg
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Answer by Kajal Garg
I am unable to solve it
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