Question Detail

PHY 104 Reflection and Refraction of Light Objective Question
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Question

According to the ray diagram rules for spherical mirrors on page 23, which of the following statements about 'Ray 3' is correct?
Options
A A ray parallel to the axis; after reflection it passes through the focal point.
B A ray through the focal point; after reflection it is parallel to the axis.
C A ray perpendicular to the mirror; it reflects back on itself.
Correct Answer
D A ray striking the center of the mirror; it reflects at an equal angle to the principal axis.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Page 23 lists the three key rays. Point 3 states: 'A ray perpendicular to the mirror; it reflects back on itself.'

Hint

Check the definitions of the three key rays for ray diagrams provided in the text.

Question Info

Course: PHY 104
Topic: Reflection and Refraction of Light
Type: Objective
Difficulty: Not specified
Question 36 of 947
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