a circular beam of light of diameter 2 cm falls on plane surface of glass the angle of incidence is 60 n refractive index of hlass is 3/2 the diameter of the refracted beam is
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Question From class 12 Chapter GEOMETRICAL OPTICS
A circular beam of light of diameterfalls on a plane refractive of glass. The angle of incidence isand refractive index of glass is. The diameter of the refracted beam is

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Text Solution
4.00cm
3.0cm
3.26cm
2.52cm
Answer :
c.
Solution :
Letbe the diameter of refracted beam. <br> Then, <br><br> and<br> i.e.<br> or<br><br><br><br>
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