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5. An under water swimmer is at a depth of 12 m below thesurface of water. A bird is at a height of 18 m from thesurface of water, directly above his eyes. For the swimmerthe bird appears to be at a distance from the surface ofwater equal to (Refractive Index of water is )43\lbrack KCET (Engg.) 2001\rbrack(a) 24 m(c) 18 m(b) 12 m(d) 9 m |
| Answer» 5. An under water swimmer is at a depth of 12 m below thesurface of water. A bird is at a height of 18 m from thesurface of water, directly above his eyes. For the swimmerthe bird appears to be at a distance from the surface ofwater equal to (Refractive Index of water is )43\lbrack KCET (Engg.) 2001\rbrack(a) 24 m(c) 18 m(b) 12 m(d) 9 m | |