Bowen Perkins
05/07/2024 · Elementary School
Calculate the maximum wavelength, \( \lambda_{\max } \), of electromagnetic radiation that could eject electrons from the surface of copper, \( 2.738 \times 10^{-7} \) If the maximum speed of the emitted photoelectrons is \( 5.34 \times 10^{6} \mathrm{~m} / \mathrm{s} \), what wavelength of electromagnetic radiation struck the surface and caused the ejection of the photoelectrons? \( \lambda=1.26 \times 10^{-19} \mathrm{~J} \).
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The wavelength of the electromagnetic radiation that caused the ejection of photoelectrons is approximately 1.45 micrometers.
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