A Grating Has 6

question 55

Multiple Choice

A grating has 6.00 × 10³ lines per centimeter ruled on it.What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550 nm?

• A)20.5°
• B)30.5°
• C)40.6°
• D)50.5°

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