Dispersion: a Beam of Light of Two Different Wavelengths Enters

question 89

Multiple Choice

Dispersion: A beam of light of two different wavelengths enters a pane of glass 3.00 mm thick at an angle of incidence of 56°. The indices of refraction for the two different colors are 1.514 and 1.528. Because of dispersion, the colored beams, although parallel, are separated by a small distance. How far apart are they?

• A) 0.057 mm
• B) 0.0083 mm
• C) 0.025 mm
• D) 0.014 mm
• E) 0.0062 mm

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