The wavelength of the incident radiation is 5.8 x 103 A Calculate the kinetic energy of the photo electron emitted from the surface of the metal if its threshold frequency is 5 x 10'4 Hz. Also calculate velocity of the emitted electrons
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use the formula
Kinetic energy= h×threshold frequency - h×frequency.
Find frequency using c= frequency× wavelength
Kinetic energy= h×threshold frequency - h×frequency.
Find frequency using c= frequency× wavelength
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