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When two sodium lamps of same …

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When two sodium lamps of same wavelength is used in young'son double slit experiment No interference pattern is observed why?

    • Posted by Kajal Bhardwaj 7 years, 11 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Vineit Kumar Gupta 7 years, 11 months ago

    This is because for interfere we need coherent sources and two sources can only be coherent when phase difference between them is same or constant . And frequency is same which is not possible in case of two distinct light sources

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