Reflection

Question 1

By what angle is the reflected Ray deviated if the Ray is incident on a plane mirror by an angle @

Answer 1

|| - 2@

Question 2

By what angle will the reflected Ray rotate if the plane mirror is rotated in its plane by angle @

Answer 2

2@

Question 3

How many images will be formed if 2 plane mirrors are inclined to each other at an angle @

Answer 3

360/@ or (360/@)-1

Whichever is odd

Question 4

What is the minimum size of the mirror so that person can see wall behind him

Answer 4

(1/3)rd the size of wall

Question 5

Mirror formula

Answer 5

1/v + 1/u = 1/f

Question 6

f =?

Answer 6

R/2

Question 7

Magnification =?

Answer 7

-v/u