A ray of light is incident at an angle of 60º on one face of a rectangular glass slab of thickness 10 cm and refractive index 
. Calculate the lateral displacement.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol.
By shell's law ; sin 60º = 
sin r
∴ 
= 
sin r
sin r = 
⇒ r = 30º
Lateral Displacement
= 
= 
= 10 tan 30º = 
cm.
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