Answer
1.34
Work Step by Step
Index of refraction of the plastic $n= \frac{sin i}{sin r}$
$= \frac{sin 50^{\circ}}{sin 35^{\circ}}= 1.34$
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 22 - Reflection and Refraction of Light - Learning Path Questions and Exercises - Exercises - Page 774: 13
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