If ray travelling in air is incident on a trans... - JAMB Physics 2001 Question
A
cosα / sinβ
B
sinα / sinβ
C
cosβ / sinα
D
sinβ / sinα
correct option: a
| From the diagram above, refractive index of the medium = | sin(90- α ) |
| _sin β |
| Reflective index of the medium = | cos α |
| sin β |
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