Davisson-Germer experiment

[dey-vuh-suhn-gur-mer]

Da·vis·son-Ger·mer exper·iment

[dey-vuh-suhn-gur-mer]
noun Physics.
an experiment that verified the wave properties of matter by showing that a beam of electrons is diffracted by a crystal at an angle dependent upon the velocity of the electrons.

Origin:
named after C. J. Davisson and Lester Halbert Germer (1896–1971), American physicists
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Davisson-germer experiment is always a great word to know.
So is energy level. Does it mean:
to be reflected many times, as sound waves from the walls of a confined space
a quantized state in which matter may exist, having constant energy and separated from others in the series by finite quantities of energy
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