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NEETChemistryStructure of Atom

The threshold frequency ν 0 for a metal is 7.0 ×10 14 s –1 . Calculate the kinetic energy of an electron emitted when radiation of frequency ν =1.0 ×10 15 s –1 hits the metal.

Options

  1. A3.533 ×10 –19 J
  2. B2.658 ×10 –19 J
  3. C1.988 ×10 –19 J
  4. D0.421 ×10 –19 J

Correct answer

C. 1.988 ×10 –19 J

Step-by-step solution

Correct Option is : (C) 1.988 ×10 –19 J

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