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प्रश्न
Two sources of light are coherent if they have ______.
विकल्प
different frequency with a constant phase relationship
same frequency with a constant phase relationship
different frequency and random phase
same frequency and changes phase randomly
MCQ
रिक्त स्थान भरें
उत्तर
Two sources of light are coherent if they have same frequency with a constant phase relationship.
shaalaa.com
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