Helium-neon laser lambda 6328nm we can observe the first
Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees.
1) How many lines per mm are in the grating?
2) What is the second order maximum angle?
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Helium-Neon laser: "Lambda"= 632.8nm. We can observe the first order maximum at "theta"= 25 degrees. What is the second order maximum angle
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