the adjacent diagram shows a section of a glass slab. AO and BO are the two rays incident on the glass-air boundary xy from glass. OC is the refracted ray for the incident ray AO.(A) on the diagram (i) mark the critical angle and label it as C (ii) draw a path of the ray bo after striking the boundary surface? (B) what phenomenon does the ray BO exhibit
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(a) The complete path of incident ray in glass block is drawn in figure below.
(b) Angle of incidence (i) and angle of refraction (r) are marked in part (a). Refractive index (μ) of glass is related to the angles as
sinr
sini
=μ
(c) Angle of emergence (e) is marked in part (a). The two angles are related to each other by the relation ∠i=∠e
(d) Incident ray and emergent ray are parallel to each other.
(e) Lateral displacement is indicated in the figure by XY.
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