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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
By photoelectric effect, Einstein, proved
  • ✓
    $E=h v$
  • B
    $K.E. = \frac{1}{2} m v^2$
  • C
    $\mathrm{E}=\mathrm{mc}^2$
  • D
    $\mathrm{E}=\frac{\mathrm{Rhc}^2}{\mathrm{n}^2}$
✓

Answer

Correct option: A.
$E=h v$
$E=h v$

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