A ray of light passes through four transparent medium with refractive indices and as shown in the figure. The surfaces of all media are parallel. If the emergent ray is parallel to the incident ray AB. We must have |
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a) |
b) |
c) |
d) |
A ray of light passes through four transparent medium with refractive indices and as shown in the figure. The surfaces of all media are parallel. If the emergent ray is parallel to the incident ray AB. We must have |
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a) |
b) |
c) |
d) |
(a) As there is no deflection between medium 1 and 2. Therefore, |