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Byju's Answer
Standard IX
Physics
Light Spectrum
Two light sou...
Question
Two light sources are said to be coherent if they are obtained from:
A
two ordinary bulbs emitting light of different wavelengths
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B
a single point source
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C
a wide source
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D
two independent point sources emitting light of the same wavelength
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Solution
The correct option is
B
a single point source
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