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STD 12 - 11. Dual nature of radiation and matter — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 11. Dual nature of radiation and matter4 Marks
MCQ
The photoelectric threshold wavelength for a metal surface is $6600 \,Å.$ The work function for this is
  • A
    $1.87 V$
  • ✓
    $1.87 eV$
  • C
    $18.7 eV$
  • D
    $0.18 eV$
✓

Answer

Correct option: B.
$1.87 eV$
b
(b) ${W_0} = \frac{{12375}}{{6600}} = 1.87\,eV.$

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