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Two candles produce general illumination instead of interference because

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By Expert Faculty of Sri Chaitanya
a
They are coherent sources
b
They are not coherent sources
c
They may be coherent or may not be coherent
d
None of these

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detailed solution

Correct option is B

The phase difference between the candles doesn’t remain constant. So the sources are incoherent


Similar Questions

 In Young's double slit experiment, the two slits act as coherent sources of equal amplitude A and of wavelength λ in another   experiment with the same set up, the two slits are sources of equal amplitude A and wavelength λ  but are incoherent. The ratio of the intensity of light at the midpoint of the screen in the first case of that in the second case is

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