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प्रश्न
Write Einstein’s photoelectric equation. How did Millikan prove the validity of this equation?
लघु उत्तर
उत्तर
Einstein's photoelectric equation is,
hv − hv0 = KE
Through a series of experiments, Millikan determined the slope `h/e` of the V0 → v graph. He derived Planck's constant, h = 6.626 × 10−34 J-s, based on slope and electron charge estimates. Millikan successfully proved the photoelectric equation by conducting experiments with various alkali metals and varying incident radiation levels.
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