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Dual Nature of Radiation question

2019 · 10 Jan · Shift 2 · Q73
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Dual Nature of Radiation question

2019 · 10 Jan · Shift 2 · Q73

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
A metal plate of area 1 ×\times× 10–4 m2 is illuminated by a radiation of intensity 16 mW/m2. The work function of the metal is 5 eV. The energy of the incident photons is 10 eV and only 10% of it produces photo electrons. The number of emitted photoelectrons per second and their maximum energy, respectively, will be
  1. A
    1014 and 10 eV
  2. B
    1012 and 5 eV
  3. C
    1011 and 5 eV
  4. D
    1010 and 5 eV
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