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Define work function. Write Einstein's p...

Define work function. Write Einstein's photoelectric equation and explain the terms.

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Work function :The minimum =angle of reflection rmove an electron from the metal surface.
Einstein.s photoelectric equation:`K_(max)=hv-phi_(0)`
OR `K_(max)=hv-hv_(0)` OR `eV_(0)=hv-phi_(0)`
`K_(max)` -maximum kinetic energy of photoelectrons .
v-Frequency of incident light.
h-Plank.s constant.
`phi_(0)`-Work function of the metal.
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