Calculate the maximum wavelength, Amax, of electromagnetic radiation that could eject electrons from the surface of gold, which has a work function of 8.76 × 10-19 J. Amax = m

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Chapter7: Quantum Theory Of The Atom
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Problem 7.120QP: Light with a wavelength of 405 nm fell on a strontium surface, and electrons were ejected. If the...
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Calculate the maximum wavelength, max, of electromagnetic radiation that could eject electrons from the surface of gold,
which has a work function of 8.76 × 10-¹⁹ J.
λmax
=
λ =
m
If the maximum speed of the emitted photoelectrons is 4.14 × 106 m/s, what wavelength of electromagnetic radiation struck the
surface and caused the ejection of the photoelectrons?
m
Transcribed Image Text:Calculate the maximum wavelength, max, of electromagnetic radiation that could eject electrons from the surface of gold, which has a work function of 8.76 × 10-¹⁹ J. λmax = λ = m If the maximum speed of the emitted photoelectrons is 4.14 × 106 m/s, what wavelength of electromagnetic radiation struck the surface and caused the ejection of the photoelectrons? m
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