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Photoelectric effect was explained by:

AGalileo
BEinstein (1905, light as quanta of energy hν)
CNewton
DFaraday
Answer & Solution
Correct answer: B. Einstein (1905, light as quanta of energy hν)
Einstein won 1921 Nobel Prize for explaining photoelectric effect: light comes in discrete energy packets (photons) of energy hν. Classical wave theory could not explain observed features.
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