A fish, looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and the fish is 12 cm below the surface of water, the radius of the circle in centimetre is |
|||||||
a) |
|
b) |
|
c) |
|
d) |
|
A fish, looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and the fish is 12 cm below the surface of water, the radius of the circle in centimetre is |
|||||||
a) |
|
b) |
|
c) |
|
d) |
|