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NEETChemistryStructure of Atom

The work function for caesium atom is 1.9 eV. Calculate (i) the threshold wavelength and (ii) the threshold frequency of the radiation

Options

  1. A(i) 786.32 nm and (ii) 4.598×10 14 s –1
  2. B(i) 652.46 nm and (ii) 4.598×10 14 s –1
  3. C(i) 652.46 nm and (ii) 6.523×10 14 s –1
  4. D(i) 786.32 nm and (ii) 6.523×10 14 s –1

Correct answer

B. (i) 652.46 nm and (ii) 4.598×10 14 s –1

Step-by-step solution

Correct Option is : (B) (i) 652.46 nm and (ii) 4.598×10 14 s –1

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