Question:
Atomic spectral emission lines of hydrogen atom are incident on a zinc surface. The lines which can emit photoelectrons from the surface are members of:
Atomic spectral emission lines of hydrogen atom are incident on a zinc surface. The lines which can emit photoelectrons from the surface are members of:
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Only photons with energy greater than the work function of the material can cause the emission of photoelectrons.
Updated On: Feb 26, 2025
- Balmer series
- Paschen series
- Lyman series
- Neither Balmer, nor Paschen nor Lyman series
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The Correct Option is C
Solution and Explanation
Step 1: The photoelectric effect.
For the photoelectric effect to occur, the energy of the incident photons must be greater than the work function of the material. The ultraviolet radiation from the Lyman series has the required energy to emit photoelectrons from zinc.
Step 2: Conclusion. Thus, the lines from the Lyman series can emit photoelectrons, corresponding to option .
Step 2: Conclusion. Thus, the lines from the Lyman series can emit photoelectrons, corresponding to option .
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