MCQ
By photoelectric effect, Einstein, proved
  • $E=h v$
  • B
    K.E. $=\frac{1}{2} m v^2$
  • C
    $E=m c^2$
  • D
    $E=\frac{R h c^2}{n^2}$

Answer

Correct option: A.
$E=h v$

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