Correct option is D
The correct answer is (d) The emergent ray is parallel to the incident ray.
· When light passes through a glass slab, it bends (refracts) upon entering and exiting the slab due to the change in medium (air to glass and glass to air).
· The incident ray and the emergent ray are parallel to each other because the glass slab has parallel faces.
· The lateral shift occurs due to refraction, but the emergent ray remains parallel to the original incident ray.
· The bending of light follows Snell's Law, which states that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.
Information Booster:
· The emergent and incident rays are not random; they follow a predictable path based on the laws of refraction.
· The emergent ray is not at 90 degrees; it is parallel to the incident ray after refraction through a glass slab.
· The incident ray does bend while passing through the slab, and while the emergent ray is parallel to the incident ray, they are laterally shifted.
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