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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