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The electric field associated with a mon...

The electric field associated with a monochromatic beam becomes zero 1*2x10^15 times per seond. Find the maximum kineetic energy of the photoelectron when this light falls on a metal surface whose work function is 2*0 eV.

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PHYSICS GALAXY - ASHISH ARORA-PHOTOELECTRIC EFFECT AND MATTER WAVES-Unsolved numerical problems
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