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rcury atoms in the residual gas of the f the atomic electrons into a higher er s ground state, the colored light is en if the light only comes when an electi

rcury atoms in the residual gas of the f the atomic electrons into a higher er s ground state, the colored light is en if the light only comes when an electi

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2. During the experiment, the lights will be turned down. You will observe the electron beam as a purple green glow. This is caused when a small fraction of the electrons strike some of the very low density of mercury atoms in the residual gas of the partial vacuum. The beam electron knocks one of the atomic electrons into a higher energy orbit momentarily. When it comes back down to its ground state, the colored light is emitted. Why does the beam still seem to go in a circle, if the light only comes when an electron collides with an atom and hence is scattered off in some random direction?
Transcribed Image Text:2. During the experiment, the lights will be turned down. You will observe the electron beam as a purple green glow. This is caused when a small fraction of the electrons strike some of the very low density of mercury atoms in the residual gas of the partial vacuum. The beam electron knocks one of the atomic electrons into a higher energy orbit momentarily. When it comes back down to its ground state, the colored light is emitted. Why does the beam still seem to go in a circle, if the light only comes when an electron collides with an atom and hence is scattered off in some random direction?
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