171
Question
In Davisson-Germer experiment, the electron beam is made to fall on surface of _________ crystals.
In Davisson-Germer experiment, the electron beam is made to fall on surface of _________ crystals.
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Solution
The correct option is B Nickel
Davisson-Germer experiment was conducted by two American scientists Clinton Davisson and Lester Germer, in 1927, to verify the de Broglie hypothesis that a material particle posses wave nature. The electron beam was made to pass through a hole and strike the surface of nickel crystal normally, the electrons scattered in all directions acting like waves. The detector indicated the peak intensity of scattered electrons at certain angle. This maximum intensity was due to constructive interference of two waves. Thus wave nature of electrons was experimentally proved.
Davisson-Germer experiment was conducted by two American scientists Clinton Davisson and Lester Germer, in 1927, to verify the de Broglie hypothesis that a material particle posses wave nature.
The electron beam was made to pass through a hole and strike the surface of nickel crystal normally, the electrons scattered in all directions acting like waves. The detector indicated the peak intensity of scattered electrons at certain angle. This maximum intensity was due to constructive interference of two waves. Thus wave nature of electrons was experimentally proved.
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