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10 cards from this deck
Electrons emitted when light shines on substance
Minimum energy to knock electron out of metal
W0W_0W0 (in joules)
Min. frequency needed to emit electrons from metal
Ekmax=hf−W0E_{k_{max}} = hf - W_0Ekmax=hf−W0
Quanta (now called photons)
h=6.63×10−34h = 6.63 \times 10^{-34}h=6.63×10−34 J·s
None; only frequency affects kinetic energy
1.6×10−191.6 \times 10^{-19}1.6×10−19 J
None; emission is instantaneous
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