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PHY 102 Test Compilation PHY 102 28 Objective Question
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Question

A ray of light travels through transparent plastic to air. The ray of light enters the air travelling parallel to the surface of the plastic. The refractive index of the plastic is 1.25. What is angle theta?
Options
A 37 degrees
B 39 degrees
C =1/n=0.8. theta_c=53.1 degrees.
D 53 degrees
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

sin(theta_c)=1/n=0.8. theta_c=53.1 degrees.

Hint

sin(theta_c)=1/n=0.8.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 28
Type: Objective
Difficulty: Not specified
Question 1631 of 1819
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