Question:medium
If light waves of wavelengths \(\lambda\) and \(\lambda/3\) are incident on the surface of a material, photoelectrons are emitted with maximum kinetic energy E and 4E respectively, then the work function of the material is
If light waves of wavelengths \(\lambda\) and \(\lambda/3\) are incident on the surface of a material, photoelectrons are emitted with maximum kinetic energy E and 4E respectively, then the work function of the material is
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When two sets of data for photoelectric effect are given, subtract the equations to eliminate the unknown kinetic energy and solve for work function.
Updated On: Apr 24, 2026
- \(\frac{3hc}{4\lambda}\)
- \(\frac{hc}{3\lambda}\)
- \(\frac{hc}{\lambda}\)
- \(\frac{hc}{2\lambda}\)
- \(\frac{2hc}{\lambda}\)
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The Correct Option is B
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