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  5. Ray Optics

Railways General Science & Technology Ray Optics Sample Paper Ray Optics Sample Test Paper-6

  • question_answer
    An object is immersed in a fluid. In order that the object becomes invisible, it should

    A)  Behave as a perfect reflector

    B)  Absorb all light falling on it

    C)  Have refractive index one

    D)  Have refractive index exactly matching with that of the surrounding fluid

    Correct Answer: D

    Solution :

    [d] Objects are in invisible of R.I. equal to that of object.


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