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List of top Chemistry Questions on Photoelectric Effect asked in COMEDK UGET

When a metal of work function $4\text{ eV}$ is exposed to radiation, the maximum kinetic energy of the emitted electrons is $4\text{ eV}$. The stopping potential required is:
  • COMEDK UGET - 2026
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
The variation of the stopping potential ($V_0$) with the frequency of incident radiation ($\nu$) is plotted. If $\nu_0$ is the threshold frequency, $h$ is Planck's constant, and $e$ is the electronic charge, then the slope of the graph with the frequency axis is:
  • COMEDK UGET - 2026
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
The maximum energy of photoelectron depends on __________.
  • COMEDK UGET - 2026
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
A plot of kinetic energy of emitted photoelectrons from a metal versus the frequency of incident radiation gives a straight line, the intercept of which:
  • COMEDK UGET - 2025
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
The stopping potential when a metal surface is illuminated by light of wavelength \( \lambda \) is \( 15\,V \). The stopping potential when the same surface is illuminated by light of wavelength \( 4\lambda \) is \( 3\,V \). The ratio of threshold wavelength to the initial incident wavelength \( \lambda \) is:
  • COMEDK UGET - 2025
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
Which of the following statement is wrong regarding the photo electric effect.
  • COMEDK UGET - 2025
  • COMEDK UGET
  • Chemistry
  • Photoelectric Effect
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