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Dual Nature of Radiation question

2009 · Shift 0 · Q51
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Dual Nature of Radiation question

2009 · Shift 0 · Q51

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
The surface of a metal is illuminated with the light of 400nm.400nm.400nm. The kinetic energy of the ejected photoelectrons was found to be 1.68eV.1.68eV.1.68eV. The work function of the metal is : (hc=1240eV.nm)\left( {hc = 1240eV.nm} \right)(hc=1240eV.nm)
  1. A
    1.41eV1.41eV1.41eV
  2. B
    1.51eV1.51eV1.51eV
  3. C
    1.68eV1.68eV1.68eV
  4. D
    3.09eV3.09eV3.09eV
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