JEE Main & Advanced Physics Ray Optics Question Bank Numerical Value Type Questions - Refraction at Plane Surface

  • question_answer
    When the surface of the lake is calm, a fish, submerged in water will see the entire outside world within an inverted cone whose apex is situated at the eye of the fish and what angle (in degree) cone subtends at eye of fish : \[\left( \mu w=4/3 \right)\]

    Answer:

    98.00


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