The maximum velocity of an electron emitted by light of wavelength (λ) incident on the…

Chemistry · NEET · NTA ExamsStructure of Atom

The maximum velocity of an electron emitted by light of wavelength (λ) incident on the surface of a metal of work function W0 is (Take h = Planck's constant, m = mass of electron and c = speed of light)
  1. \(\left[\frac{2\left[h c+\lambda W_{i j}\right]}{m \lambda}\right]^{\frac{1}{2}}\)
  2. \(\frac{2\left[\mathrm{hc}-\lambda \mathrm{W}_{\mathrm{B}}\right]}{\mathrm{m}}\)
  3. \(\left[\frac{2\left[h c-\lambda W_{i j}\right]}{m \lambda}\right]^{\frac{1}{2}}\)
  4. \(\frac{Z\left[h \lambda-W_{n}\right]}{m}\)

Answer

(C) [ 2 [h c- W_ i j ] m ]^ 1 2

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