Determine the work function of the metal
The electrons are emitted from a certain metallic surface having speeds ranging up to 4.2 x 105 m/s if light having a wavelength of 645 nm is employed.
(i) Determine the work function of the metal?
(ii) Determine the cutoff frequency for the metal?
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The electrons are emitted from a certain metallic surface having speeds ranging up to 4.2 x 105 m/s if light having a wavelength of 645 nm is employed. (i) Determine the work function of the metal?
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