Work function of tungsten and sodium are 4.4 eV and 2.3 eV respectively. If the threshold…
Physics · NEET · NTA Exams — Dual Nature of Matter and Radiation
Work function of tungsten and sodium are 4.4 eV and 2.3 eV respectively. If the threshold wavelength of sodium is 5460 \(\stackrel{a}{A}\), the threshold wavelength of tungsten is
- 2854 \(\stackrel{a}{A}\)
- 6000 \(\stackrel{a}{A}\)
- 8000 \(\stackrel{a}{A}\)
- 11,416 \(\stackrel{a}{A}\)
Answer
(A) 2854 a A
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