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A laser beam traveling in air strikes the mid-
point of one end of a slab of material with
index of refraction 1.45 as shown in the figure
below.
Dimensions of Block 46mm (L) and 3.4mm (W)
Initial ray of light enters the slab from the left side at an angle of incidence of 39 degrees.
Find the number of internal reflections of
the laser beam before it finally emerges from
the opposite end of the slab.
point of one end of a slab of material with
index of refraction 1.45 as shown in the figure
below.
Dimensions of Block 46mm (L) and 3.4mm (W)
Initial ray of light enters the slab from the left side at an angle of incidence of 39 degrees.
Find the number of internal reflections of
the laser beam before it finally emerges from
the opposite end of the slab.