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Physics
Two light sources are said to be of coherent nature
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Q. Two light sources are said to be of coherent nature
J & K CET
J & K CET 2008
A
when they have same frequency and a varying phase difference
B
when they have same frequency and a constant phase difference
C
when they have constant phase difference and different frequencies
D
when they have varying phase difference and different frequencies
Solution:
Two coherent sources must have the same frequencies and a constant phase difference.