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Test One Puzzle

Across
The light-material interaction that results in interference patterns forming after light passes through a small opening
The type of image that cannot be projected onto a screen
A property of single-wavelength lasers
Another way to describe color
What parallel light rays do when passing through a bi-convex lens
The acronym that stands for Light Amplification by Stimulated Emission of Radiation
Down
The type of pattern that results from two light waves mixing with each other
The energy of a photon absorbed by an electron must be ____ to that of a photon transmitted by the electron for a laser to work