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    Physics-
    General
    Easy

    Question

    Two coherent monochromatic light beams of intensities I and 4I are superposed. The maximum and minimum possible intensities in the resulting beam are

    1. 4I and I    
    2. 5I and 3I    
    3. 9I and I    
    4. 9I and 3I    

    The correct answer is: 9I and I

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