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ambereel851Lv1
6 Oct 2020
The red light emitted by a helium-neon laser has a wavelength of 632.8 nm. What is the frequency of the light waves?
The red light emitted by a helium-neon laser has a wavelength of 632.8 nm. What is the frequency of the light waves?
Amana RangarajanLv9
3 Jan 2021