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What is the frequency of a helium-neon laser with a wavelength of 632.8 nm? the speed of light is 3.00 × 108 m/s?
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The energy released by a nuclear fusion reaction is produced when
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Resistivity of a material is the resistance of a cm long sample of the material of 1 cm2 cross-sectional area.
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What is the frequency of a helium-neon laser with a wavelength of 632.8 nm? the speed of light is 3...
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