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प्रश्न
Why do independent light bulbs behave as incoherent sources?
पर्याय
They do not maintain a constant phase difference
Their waves always meet in opposite phase
Their amplitudes reinforce each other
They maintain a constant phase difference
MCQ
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उत्तर
Independent light bulbs do not maintain a constant phase difference. They therefore behave as incoherent sources rather than coherent sources.
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