A ray of light is incident as shown. If A. B ...

CBSE Class 10 Science 2021 Term 1 Solved Paper

Question : 23 of 60

Marks: +1, -0

A ray of light is incident as shown. If A. B and

C

are three different transparent media, then which among the following options is true for the given diagram?

Solution:

From the given diagram

\angle 1 > \angle 2

and

\angle 4 > \angle 3

. From the geometry of the figure, the two normals are parallel to each other and

L_2

and

L_3

are alternate interior angles.

\angle 3 = \angle 2 \; \text{.} \;

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