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In the explanation of photo electric effect, we asssume one photon of frequency ν collides with an electron and transfers its energy. This leads to the equation for the maximum energy `E_max` of the emitted electron as `E_max = hν – φ_0` where` φ_0` is the work function of

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In the explanation of photo electric effect, we asssume one photon of frequency ν collides with an electron and transfers its energy. This leads to the equation for the maximum energy `E_max` of the emitted electron as `E_max = hν – φ_0` where` φ_0` is the work function of the metal. If an electron absorbs 2 photons (each of frequency ν ) what will be the maximum energy for the emitted electron?

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