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| 1. |
a crocodile looking up through the water in a lake sees the outside world contained in a circular horizon. if the refraction index of water is 4/3 and the eye of crocodile is situated 10cm below of the surface of water. what is the area of horizontal circle? |
| Answer» CORRECT option isD7 36 SINI C = μ1 = r 2 +H 2 r Using h=12 CM, μ=4/3We get r= 7 36 cm. | |