The wavelength of red helium-neon laser light in air is 632.8 nm.
(a) what is its frequency? <...
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First to answer will be the brainliest i need the answer asap
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Acaregiver's love, affection, and acceptance are considered conditional if they're given only when the child is well-behaved or meets set expectations. t or f
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Two atoms with different mass number but the same atomic number are called a) elements. b) ions. c) isotopes. d) nuclei.
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