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Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
MCQ
From the figure describing photoelectric effect we may infer correctly that         
  • A
    $Na$ and $Al$ both have the same threshold frequency
  • ✓
    Maximum kinetic energy for both the metals depend linearly on the frequency
  • C
    The stopping potentials are different for $Na$ and $Al$ for the same change in frequency
  • D
    $Al$ is a better photo sensitive material than $Na$
✓

Answer

Correct option: B.
Maximum kinetic energy for both the metals depend linearly on the frequency
Maximum kinetic energy for both the metals depend linearly on the frequency

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