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JEE Main & Advanced Physics Wave Optics / तरंग प्रकाशिकी Question Bank Wave Nature and Interference of Light

  • question_answer
    If the distance between a point source and screen is doubled, then intensity of light on the screen will become [RPET 1997; RPMT 1999]

    A)            Four times                            

    B)            Double

    C)            Half                                          

    D)            One-fourth

    Correct Answer: D

    Solution :

               Intensity \[\propto \frac{1}{{{\text{(Distance)}}^{\text{2}}}}\]


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