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Dual Nature of Radiation question

2019 · 9 Jan · Shift 2 · Q53
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Dual Nature of Radiation question

2019 · 9 Jan · Shift 2 · Q53

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
The magnetic field associated with a light wave is given, at the origin, by B = B0 [sin(3.14 ×\times× 107)ct + sin(6.28 ×\times× 107)ct]. If this light falls on a silver plate having a work function of 4.7 eV, what will be the maximum kinetic energy of the photo electrons ? (Take c = 3 ×\times× 108 ms −-− 1, h = 6.6 ×\times× 10 −-− 34J-s)
  1. A
    6.82 eV
  2. B
    12.5 eV
  3. C
    8.52 eV
  4. D
    7.72 eV
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