Question

13. A ring of radius R is floating
on the surface of a liquid of refractive index 4 = 13. A point source of
light is placed on the axis of the ring at a depth V3R. The radius of the shadow of the ring on the
ceiling at a height 5R from the surface of the liquid will be ...
B) (1+5/3)R.
C) (1+73)R
D) 10/3R
A) 5/3R​

Answer 1

Answer:

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Explanation:

thinking