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Olympiad workbook
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Olympiad workbook
Subject
NSEP
Chapter
Atomic Physics

Olympiad workbook · NSEP · Atomic Physics

Even the radiation of highest wave length in the ultraviolet region...

Even the radiation of highest wave length in the ultraviolet region of hydrogen spectrum is just able to eject photoelectrons from a metal. The value of threshold frequency for the given metal is

Options

  1. A3.83×1015 Hz3.83 \times 10^{15} \mathrm{~Hz}
  2. B4.33×1014 Hz4.33 \times 10^{14} \mathrm{~Hz}
  3. C2.46×1015 Hz2.46 \times 10^{15} \mathrm{~Hz}
  4. D7.83×1014 Hz7.83 \times 10^{14} \mathrm{~Hz}

Correct answer

C. 2.46×1015 Hz2.46 \times 10^{15} \mathrm{~Hz}

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