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BITSAT2010PhysicsDual Nature of MatterActual

The photoelectric threshold of metal is 2000 . The energy of the electrons ejected from the surface by ultraviolet light of wavelength 1500 is

Options

  1. A2.0 eV
  2. B1.5 eV
  3. C15 eV
  4. D150 eV

Correct answer

A. 2.0 eV

Step-by-step solution

E _ k = hc e ( 1 - 1 ₀ )=2.0 eV

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