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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22d3fe57-e3aa-4922-adf8-ba437c087d79%2F0ac79f73-5f94-467c-9789-9556199e4ecd%2Fxrgiwm.jpeg&w=3840&q=75)
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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