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10 questions from this quiz
Light causes electrons to be ejected
Min. frequency to emit photoelectrons
1.6×10−191.6 \times 10^{-19}1.6×10−19 J
More electrons, same energy
E=hfE = hfE=hf
Min. energy to release a photoelectron
Ek max=hf−ϕE_{k \text{ max}} = hf - \phiEk max=hf−ϕ
Min. voltage to stop most energetic e⁻
Waves predict any frequency should work
Planck's constant (hhh)
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