A glass paperweight with an index of refraction n rests on a desk, as shown in FIGURE
Question:
A glass paperweight with an index of refraction n rests on a desk, as shown in FIGURE 26-67. An incident ray of light enters the horizontal top surface of the paperweight at an angle θ = 77° to the vertical.
In figure 26-67
(a) Find the minimum value of n for which the internal reflection on the vertical surface of the paperweight is total.
(b) If θ is decreased, is the minimum value of n increased or decreased? Explain.
Step by Step Answer:
Picture the Problem A ray of light is incident upon a horizontal glass surface This ray refracts int...View the full answer
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