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A photon of wavelength 4 xx 10^(-7)m str...

A photon of wavelength `4 xx 10^(-7)m` strikes on metal surface, The work function of the metal is `2.13eV`. The velocity of the photo electron is

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To solve the problem, we will follow these steps: ### Step 1: Calculate the energy of the photon (E) The energy of a photon can be calculated using the formula: \[ E = \frac{1240}{\lambda} \] ...
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