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Transcribed Image Text:B: A rectangular glass slab ABCD of refractive index n1, is immersed in water of
refractive index n2(n1>n2). A ray of light is incident at the surface AB of the slabas shown in
the figure. The maximum value of angle of incidence amax, such thatthe ray comes out only
from the other surface CD, is given by
A
D
n2
ni
a max
B
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