Reflection Flashcards
1
Q
By what angle is the reflected Ray deviated if the Ray is incident on a plane mirror by an angle @
A
|| - 2@
2
Q
By what angle will the reflected Ray rotate if the plane mirror is rotated in its plane by angle @
A
2@
3
Q
How many images will be formed if 2 plane mirrors are inclined to each other at an angle @
A
360/@ or (360/@)-1
Whichever is odd
4
Q
What is the minimum size of the mirror so that person can see wall behind him
A
(1/3)rd the size of wall
5
Q
Mirror formula
A
1/v + 1/u = 1/f
6
Q
f =?
A
R/2
7
Q
Magnification =?
A
-v/u
