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                                    When a beam of photons with energy (10.62 V) and intensity 20 W/m\ast2 falls on a platinum surface of area 1.0 x10 -4 m) and work function 5.6 eV, 0.53% of the incidentphotons eject photo electrons. Find the number ofphotoelectrons emitted per second and their minimum and maximum energies in ev)Take l eV 16 x 10-19 | 
                            
| Answer» When a beam of photons with energy (10.62 V) and intensity 20 W/m\ast2 falls on a platinum surface of area 1.0 x10 -4 m) and work function 5.6 eV, 0.53% of the incidentphotons eject photo electrons. Find the number ofphotoelectrons emitted per second and their minimum and maximum energies in ev)Take l eV 16 x 10-19 | |