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Question
Which among the following statement(s) is / are correct for refraction of light through a rectangular glass slab?
Which among the following statement(s) is / are correct for refraction of light through a rectangular glass slab?
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Solution
The correct options are
A The incident ray and the emergent ray are parallel to each other.
C The lateral displacement increases with the thickness of the slab.
D Snell's law is obeyed at both the boundaries of media.
The ray of light incident with a rectangular glass slab bends towards the normal by the same amount it bends away from the normal while emerging out from the slab. Hence, it emerges out with parallel shift with repect to its intial incident direction.
The perpendicular distance between the path of emergent ray and the incident ray is called lateral displacement. It increases with thickness and refractive index of the slab.
Snell's law is valid to calculate the relative refractive index of pair of medium.
A The incident ray and the emergent ray are parallel to each other.
C The lateral displacement increases with the thickness of the slab.
D Snell's law is obeyed at both the boundaries of media.
The ray of light incident with a rectangular glass slab bends towards the normal by the same amount it bends away from the normal while emerging out from the slab. Hence, it emerges out with parallel shift with repect to its intial incident direction.
The perpendicular distance between the path of emergent ray and the incident ray is called lateral displacement. It increases with thickness and refractive index of the slab.
Snell's law is valid to calculate the relative refractive index of pair of medium.
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