What is photoelectric effect? Write Einstein’s photoelectric equation and use
it to explain: (i) independence of maximum energy of emitted photoelectrons
from the intensity of incident light. (ii) Existence of a threshold frequency for
the emission of photoelectrons..
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photoelectric effect is a effect where a incident light of frequency greater that threshold frequency falls on the metal plate electrons are ejected from the plate
this is given by the photo electric equation
kEmax=hV-workfn(v is frequency and workfn=hv° where v° is threshold frequency and kE IS KINETIC ENERGY)
another point is emmison takes place when hv>workfn
THATS ITT
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