Question

a ray of light is incident on a plane mirror at 45 another mirror is kept at a angel of 90 to the first mirror draw the path of the ray as it's reflects from the two mirror.show the position of the 3 image formed​

Answer 1

Answer:

From parallel line theory we can say that

∠CBP=∠BCD

As CD is parallel to PQ.

SO,

3×45

∘

=2α

α=

2

3

(45)=67.5

∘

Now the inclination of mirror with horizontal so that the ray is reflected horizontally is.

90

∘

−67.5

∘

=22.5

∘