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Dual Nature of Radiation question

2019 · 11 Jan · Shift 2 · Q56
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Dual Nature of Radiation question

2019 · 11 Jan · Shift 2 · Q56

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1
In a photoelectric experiment, the wavelength of the light incident on a metal is changed from 300 nm to 400 nm. The decrease in the stopping potential is close to: (hce{{{hc} \over e}}ehc​ = 1240 nm eV)
  1. A
    0.5 V
  2. B
    1.0 V
  3. C
    2.0 V
  4. D
    1.5 V
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