A Beam of Unpolarized Light in Air Strikes a Flat

question 51

Multiple Choice

A beam of unpolarized light in air strikes a flat piece of glass at an angle of incidence of 50.6°.If the reflected beam is completely polarized,what is the index of refraction of the glass?

• A)1.48
• B)1.22
• C)1.57
• D)1.16
• E)​1.78

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