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9. The wave properties of electrons were first demonstrated in 1925 by Davis- son and Germer at Bell Telephone Laboratories. The basic features of their experiment are shown schematically below. Incident electron wave Diffracted electron wave Surface atoms with separation D Electrons with energy 54 eV were scattered by atoms on the surface of a crystal of nickel.³ The spacing between parallel rows of atoms on the surface was D = 0.215 nm. Explain why Davisson and Germer detected strong scattering at an angle o equal to 50 degrees.

9. The wave properties of electrons were first demonstrated in 1925 by Davis- son and Germer at Bell Telephone Laboratories. The basic features of their experiment are shown schematically below. Incident electron wave Diffracted electron wave Surface atoms with separation D Electrons with energy 54 eV were scattered by atoms on the surface of a crystal of nickel.³ The spacing between parallel rows of atoms on the surface was D = 0.215 nm. Explain why Davisson and Germer detected strong scattering at an angle o equal to 50 degrees.

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9. The wave properties of electrons were first demonstrated in 1925 by Davis- son and Germer at Bell Telephone Laboratories. The basic features of their experiment are shown schematically below. Incident electron wave Diffracted electron wave Surface atoms with separation D Electrons with energy 54 eV were scattered by atoms on the surface of a crystal of nickel.³ The spacing between parallel rows of atoms on the surface was D = 0.215 nm. Explain why Davisson and Germer detected strong scattering at an angle o equal to 50 degrees.
Transcribed Image Text:9. The wave properties of electrons were first demonstrated in 1925 by Davis- son and Germer at Bell Telephone Laboratories. The basic features of their experiment are shown schematically below. Incident electron wave Diffracted electron wave Surface atoms with separation D Electrons with energy 54 eV were scattered by atoms on the surface of a crystal of nickel.³ The spacing between parallel rows of atoms on the surface was D = 0.215 nm. Explain why Davisson and Germer detected strong scattering at an angle o equal to 50 degrees.
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