IP A glass paperweight with an index of refraction n rests
Chapter 26, Problem 64P(choose chapter or problem)
A glass paperweight with an index of refraction n rests on a desk, as shown in Figure 26–50. An incident ray of light enters the horizontal top surface of the paperweight at an angle \(\theta=77^{\circ}\) to the vertical.
(a) Find the minimum value of n for which the internal reflection on the vertical surface of the paperweight is total.
(b) If \(\theta\) is decreased, is the minimum value of n increased or decreased? Explain.
Equation Transcription:
Text Transcription:
\theta=77^\circ
\theta
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