*UPDATED* For 2022-23 Boards Exam
SHOBHIT NIRWAN's
DESIGNED
LIGHT
NOTES
, Reflection
law of Reflection
-
-
Plane mirror
-
Spherical Mirror
ray diagrams concave mirror
-
-
-
Image formation by convex mirror
-
-
Uses of concave 4 Convex mirror
-
Mirror formula
Light
Refraction
-
-
causes of Refraction
-
Refraction through Rectangular glass slab
-
laws of Refraction
-
Refractive Index
-
spherical lens
lens
Kay diagrams convex
I
-
-
Image formation by concave lens
-
lens formula
-
Power of lens
, travels in ⑥
⑨
Light a
straight line .
REFLECTION
coming back
a surface .
of light rays to the same medium , when they fall on
# LAWS of Reflection :
)
*
Angle of incidence kit-AngkofreH.frincidence .
is Incidentrayg normal at the point of
and reflected ray all lie in the same plane .
K3B oAny ray of light
which is incident
normally
}
..
on a mirror is reflected back along its n
own
path .
;
Normal
°
Object -
Point of intersection of incident ray .is called object .
intersection of reflected ray
°
Image Point of is called
image
-
.
Real virtual
Image Image
It the light rays coming from a Height rays coming from a point ,
after reflection does not meet actually
paint actually , meet after reflection to meet at another
but point
,
appear
then
image formed is real .
then
image formed Ps virtual .
Trick :
-
def light vo Real
,
set Aet E virtual .
" s
go.pt?.af.noghtEd
r
i real ±
> I -
-
-
i. !
'
-
-
-
780
object i
←
'
-
-
-
Image
(Intersection of
z s
s
'
-
line.tn?sedecnttfnoayts, e
I reflected rays) y
'
Red -
Reflected rays
Black > Incident rays
Plane mirror
°
Object and image are equidistant from the plane mirror
°
If object is real then image will be virtual and vice-versa .
°
Image is laterally inverted i. e. left seems to be right and
vice-versa
°
Size of image is equal to size of object .
°
Uses →
looking glass , periscopes etc .
SHOBHIT NIRWAN's
DESIGNED
LIGHT
NOTES
, Reflection
law of Reflection
-
-
Plane mirror
-
Spherical Mirror
ray diagrams concave mirror
-
-
-
Image formation by convex mirror
-
-
Uses of concave 4 Convex mirror
-
Mirror formula
Light
Refraction
-
-
causes of Refraction
-
Refraction through Rectangular glass slab
-
laws of Refraction
-
Refractive Index
-
spherical lens
lens
Kay diagrams convex
I
-
-
Image formation by concave lens
-
lens formula
-
Power of lens
, travels in ⑥
⑨
Light a
straight line .
REFLECTION
coming back
a surface .
of light rays to the same medium , when they fall on
# LAWS of Reflection :
)
*
Angle of incidence kit-AngkofreH.frincidence .
is Incidentrayg normal at the point of
and reflected ray all lie in the same plane .
K3B oAny ray of light
which is incident
normally
}
..
on a mirror is reflected back along its n
own
path .
;
Normal
°
Object -
Point of intersection of incident ray .is called object .
intersection of reflected ray
°
Image Point of is called
image
-
.
Real virtual
Image Image
It the light rays coming from a Height rays coming from a point ,
after reflection does not meet actually
paint actually , meet after reflection to meet at another
but point
,
appear
then
image formed is real .
then
image formed Ps virtual .
Trick :
-
def light vo Real
,
set Aet E virtual .
" s
go.pt?.af.noghtEd
r
i real ±
> I -
-
-
i. !
'
-
-
-
780
object i
←
'
-
-
-
Image
(Intersection of
z s
s
'
-
line.tn?sedecnttfnoayts, e
I reflected rays) y
'
Red -
Reflected rays
Black > Incident rays
Plane mirror
°
Object and image are equidistant from the plane mirror
°
If object is real then image will be virtual and vice-versa .
°
Image is laterally inverted i. e. left seems to be right and
vice-versa
°
Size of image is equal to size of object .
°
Uses →
looking glass , periscopes etc .
