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JIPMER2014PhysicsDual Nature of Matter

Work function of a metal is 5.2 10⁻¹⁸ , then its threshold wavelength will be

Options

  1. A736.7 Å
  2. B760.7 Å
  3. C301 Å
  4. D344.4 Å

Correct answer

D. 344.4 Å

Step-by-step solution

Work function W= h c aligned & = h c W & = 6.6 10⁻³⁴ 3 10^8 5.26 10⁻¹⁸ =344.4 Å aligned

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