Question Detail

PHY 104 PHY 104 Past Questions Objective Question
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Question

The diagram shows the dispersion of white light by a glass prism. Why does dispersion occur when white light enters the glass?
Options
A The frequency of red light decreases more than that of violet light.
B The frequency of violet light decreases more than that of red light.
C The speed of red light decreases more than that of violet light.
D The speed of violet light decreases more than that of red light.
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Dispersion occurs because different colors of light travel at different speeds in the glass. Violet light slows down more than red light, so it bends more.

Hint

Violet light is refracted more than red light.

Question Info

Course: PHY 104
Topic: PHY 104 Past Questions
Type: Objective
Difficulty: Not specified
Question 889 of 947
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