A Beam of Light of Two Different Wavelengths Enters a Pane

question 20

Multiple Choice

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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Definitions:

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