Question Detail

PHY 104 PHY 104 Past Questions Objective Question
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Question

Two light sources are said to be coherent if they
Options
A are of the same frequency.
B are of the same frequency, and maintain a constant phase difference.
Correct Answer
C are of the same amplitude, and maintain a constant phase difference.
D are of the same frequency and amplitude.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Coherent sources have the same frequency and a constant phase difference.

Hint

Coherence requires constant phase difference.

Question Info

Course: PHY 104
Topic: PHY 104 Past Questions
Type: Objective
Difficulty: Not specified
Question 920 of 947
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