Physics, 28.06.2019 16:30 maxdmontero
Alight beam which is amplified into a strong concetrated beam of light is known as a) a laser. b) a transistor. c) a microwave oven. d) a light emitting diode.
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Alight beam which is amplified into a strong concetrated beam of light is known as a) a laser. b) a...
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