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When a parallel beam of monochromatic li...

When a parallel beam of monochromatic light suffers refraction while going from a rarer medium into a denser medium, which of the following are correct ?
a) the width of the beam decreases
b) the width of the beam increases
c) the refracted beam makes more angle with the interface
d) the refracted beam makes less angle with the interface

A

a,c true

B

b,d true

C

a, d true

D

b,c true

Text Solution

Verified by Experts

The correct Answer is:
D
`(W_(i))/(W_(r)) = (cos i)/(cos r), I lt r`
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