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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 35

  • question_answer
    An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The beaker height is 3h and its radius h. When the beaker is filled with a liquid up to a height 2h, he can see the lower end of the rod. Then the refractive index of the liquid is

    Answer:

    (1.581)


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