JEE Main & Advanced Physics Ray Optics Question Bank Refraction of Light at Plane Surfaces

  • question_answer
    A monochromatic beam of light passes from a denser medium into a rarer medium. As a result [CPMT 1972]

    A)            Its velocity increases        

    B)            Its velocity decreases

    C)            Its frequency decreases 

    D)            Its wavelength decreases

    Correct Answer: A

    Solution :

               \[v\propto \frac{1}{\mu },{{\mu }_{rarer}}<{{\mu }_{denser}}\]


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