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Title: A beam of light in air enters a glass slab with an index of refraction of 1.40 a Post by: ppk on Feb 17, 2012 A beam of light in air enters a glass slab with an index of refraction of 1.40 at an angle of incidence of 30.0°. What is the angle of refraction?
A) 20.9° B) 47.5° C) 51.8° D) 30.0° E) 14.9° Title: Re: A beam of light in air enters a glass slab with an index of refraction of 1.40 a Post by: walid on Feb 18, 2012 A
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