Air In the figure, light enters a 90° triangular prism at point P with incident angle 0, and then some of it refracts at point Q with an angle of refraction of 90°. (a) What is the index of refraction of the prism in terms of 0? n = (b) What, numerically, is the maximum value that the index of refraction can have? Nmax (c) Does light emerge at Q if the incident angle at P is increased slightly?

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Air
In the figure, light enters a 90°
triangular prism at point P with
incident angle 0, and then some of it
refracts at point Q with an angle of
refraction of 90°.
(a) What is the index of refraction of the prism in terms of 0?
= U
(b) What, numerically, is the maximum value that the index of
refraction can have?
Nmax
(c) Does light emerge at Q if the incident angle at P is increased
slightly?
Choose one
(d) Does light emerge at Q if the incident angle at P is decreased
slightly?
Transcribed Image Text:Air In the figure, light enters a 90° triangular prism at point P with incident angle 0, and then some of it refracts at point Q with an angle of refraction of 90°. (a) What is the index of refraction of the prism in terms of 0? = U (b) What, numerically, is the maximum value that the index of refraction can have? Nmax (c) Does light emerge at Q if the incident angle at P is increased slightly? Choose one (d) Does light emerge at Q if the incident angle at P is decreased slightly?
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