*42. In Figure 26.17 light strikes the surface of a liquid at the Brewster angle, and the reflected light is 100% polarized. Suppose the light originates in air and the angle of refraction in Figure 26.17 is q2 = 33.7°. Find the value of the index of refraction n2 of the liquid.

 

afg017

 

Brewster’s angle for 100% plane polarized light on reflection is given by

 

We know that

 

 

 

 

 

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This page last updated on July 5, 2018