If K 1 and K 2 are maximum kinetic energies of photoelectrons emitted when lights of…

Physics · Class 12 · CBSEDual Nature of Radiation & Matter

If K1 and K2 are maximum kinetic energies of photoelectrons emitted when lights of wavelength λ1 and λ2 respectively incident on a metallic surface. If λ1 = 3λ2, then
  1. K1 > (K2 / 3)
  2. K1 < (K2 /3)
  3. K1 = 3K2
  4. K2 = 3K1

Answer

(B) K 1 K 2 /3)

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