Warren Best
12/04/2023 · Elementary School
Calculate the maximum wavelength, \( \lambda_{\text {max }} \), of electromagnetic radiation that could eject electrons from the surface of copper, \( \lambda_{\text {max }}= \) which has a work function of \( 7.26 \times 10^{-19} \mathrm{~J} \). \( 2.738 \times 10^{-7} \) If the maximum speed of the emitted photoclectrons is \( 5.34 \times 10^{6} \mathrm{~m} / \mathrm{s} \), what wavelength of electromagnetic radiation struck th surface and caused the ejection of the photoclectrons? \( \lambda= \)
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The maximum wavelength of electromagnetic radiation that could eject electrons from copper is \( 2.738 \times 10^{-7} \, \text{m} \). The wavelength of the radiation that caused the ejection is \( 1.449 \times 10^{-8} \, \text{m} \).
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