Q- A fish looking up through the water sees that the outside world is contained in a circular horizon. If the refractive index of water is 4/3 and the fish is 12 cm below the surface of the water, the radius of the circle (in cm) is?
(a) 36√5
(b) 36/√5
(c) 36√7
(d) 36/√7
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Explanation:
Q- A fish looking up through the water sees that the outside world is contained in a circular horizon. If the refractive index of water is 4/3 and the fish is 12 cm below the surface of the water, the radius of the circle (in cm) is?
(a) 36√5
(b) 36/√5
(c) 36√7
(d) 36/√7
ANSWER IS OPTION C 36√7
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