Coherence enables temporally and spatially constant interference.
Two light sources are said to be coherent if they are
a. of the same frequency, and maintain a constant phase difference.
b. of the same frequency and amplitude.
c. of the same frequency.
d. of the same amplitude, and maintain a constant phase difference.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Wave Interference concept. You can view video lessons to learn Wave Interference. Or if you need more Wave Interference practice, you can also practice Wave Interference practice problems.