Angle of incidence = Angle of reflection

1. F55

2. REFLECTION FROM A
SPHERICAL MIRROR

3. MIRRORS ARE TWO TYPE
1.PLANE MIRRORS
2. SPHERICAL MIRRORS

4. SPHERICAL MIRROR
Spherical mirrors are mirrors in which the
reflecting surface is a part of the sphere
SPHERICAL MIRRORS
ARE
TWO TYPE
1 . CONCAVE MIRROR
2 . CONVEX MIRROR

5. 
1 . CONCAVE MIRROR
( Real Image , Inverted Image)

6. 2 . CONVEX MIRROR
(Virtual Image)

7. Technical Terms Associated with
Spherical Mirror
 Centre of Curvature
 Radius of Curvature
 Aperture
 Pole
 Principal Axis

9. REFLECTION FROM
PLANE MIRROR

10.  Incident ray , Reflected ray
and the Normal at the point of
incidence are in the Same
Plane
The angle of incidence equal
to the angle of reflection
LAW OF REFLECTION IN
PLANE MIRROR

13.  Incident ray , Reflected ray and
the Normal at the point of
incidence are in the Same Plane .
The angle of incidence ( i ) equal
to the angle of reflection ( r ) .
i = r

14. Serial No Angle of
Incidence
( i )
Angle of
Reflection
( r )
1 30⁰ 30⁰
2 45⁰ 45⁰
3 60⁰ 60⁰

15. SUMMERY
The angle of incidence ( i )
equal to the angle of
reflection ( r ) . i = r

16. 
Do You Have Any Doubts ?

17.  What is meant by Reflected Angle ?
 What stand by r ?
 What is meant by i in a mirror ?
 Give relation between i and r ?
REVIEW

18. EXTENTED ACTIVITIES
 Draw a chart of concave mirror showing i = r .
 Complete the following table .
Serial No Angle of
Incidence
Angle of
Reflection
1 45
2 30
3 57
4 24