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84 A metal plate of area 1x10m is illuminated by...

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Physics

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84 A metal plate of area 1x10m is illuminated by a radiation of intensity 16mW m The work function of the metal is 5eV The energy of the incident photons is 10eV and only 10 of it produces photo electrons The number of emitted photo electrons per second and their maximum energy respectively will be leV 1 6x10 J JEE 2018 a 10 and 5eV b 10 4 and 10 eV c 10 and 5 eV d 10 and 5 eV

Answer & Explanation Solved by verified expert
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To solve this problem we need to calculate two things 1 The number of photoelectrons emitted per second 2 The maximum kinetic energy of these photoelectrons Given Data Area of the metal plate A 1 times 104 textm2 Intensity of radiation I 16 textmWm2 16 times 103 textWm2 Work function of the metal phi 5 texteV    See Answer
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Transcribed Image Text

84 A metal plate of area 1x10m is illuminated by a radiation of intensity 16mW m The work function of the metal is 5eV The energy of the incident photons is 10eV and only 10 of it produces photo electrons The number of emitted photo electrons per second and their maximum energy respectively will be leV 1 6x10 J JEE 2018 a 10 and 5eV b 10 4 and 10 eV c 10 and 5 eV d 10 and 5 eV

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