When light with a wavelength of 215 nm is incident on a certain
metal surface, electrons...
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Physics
When light with a wavelength of 215 nm is incident on a certainmetal surface, electrons are ejected with a maximum kinetic energyof 3.33 × 10 − 19 J. Determine the wavelength of light that shouldbe used to quadruple the maximum kinetic energy of the electronsejected from this surface.
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Expression for the energy of light wave is given as E h f Also we have f wave length c f c wave length E h c i h 667 1034 c 30 108 ms 215 nm 215 109 215 107 m Energy of 215 nm
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