Wavelength of red helium-neon laser light
The wavelength of red helium-neon laser light in air is 632.8 nm.
(a) What is its frequency?
(b) What is its wavelength in glass that has an index of refraction of 1.51?
(c) What is its speed in the glass?
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The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its frequency?
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