find the uncertainty in measurement of de Broglie wavelength (in Å ).

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A photon of energy 4.5 eV strikes on a metal surface of work function 3.0eV. If uncertainty in position is 254πÅ, find the uncertainty in measurement of de Broglie wavelength (in Å ).
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A photon of energy 4.5 eV strikes on a metal surface of work function 3.0eV. If uncertainty in position is 254πÅ, find the uncertainty in measurement of de Broglie wavelength (in Å ). A photon of energy 4.5 eV strikes on a metal surface of work function 3.0eV. If uncertainty in position is 254πÅ find [...]
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