Lateral Inversion Video Lecture | Science Class 8

hello friends this video online part 8
is brought to you by example comm no
more fear from exam so now we are going
to talk about another important find
another interesting aspect of image
formation in playing minute now we saw
how our image is formed in the middle
but have you ever observed that when you
stand in front of the mirror
your right appears left and you have
left a clear sight on the mirror if you
write something say just look at this
picture so this is if you call this as
your right and this ask your left but
when you see in the mirror you see your
right is on this side down so your this
hand which was earlier like now it is in
the left side and the other hand is on
the right except so it has got reversed
similarly if so this phenomenon of
reversal of mirror image left and right
as compared to the object is known as
lateral inversion inversion in something
getting reverse something getting
imported so what is getting inverted
here left and right left becomes right
right becomes left so this is for
lateral inversion and it happens for all
image formation in plane middles it
always happens now the question is why
does that happen and why should that
happen now for a while let us just
assume we are just trying to as you that
it that there is no lateral inversion so
in that case the image should be like
this if we assume that lateral inversion
should not happen why should it happen
now from our knowledge what it will be
have gained till now we know that the
distance of the object from the middle
is equal to the distance of the image
from the mirror so if this is your
matter this is the object then this has
to be the image and then this distance
if this is your object and this is your
image then this distance is equal to
this distance and we also have learnt
then the inner image formation happens
in this similar
that each part of our bonding everywhere
in our body is considered to be one on
one point and for each of those points
and image is formed on them or the side
of the middle now let us just consider
any one point on this image so let us
see I am considering the tip of this
finger so this is my point so I am
considering this is my object right
because this is a point on the object so
then as per my knowledge this distance
that is distance at this point from the
mirror should be equal to the distance
of the corresponding point of the image
so in this picture it holds true because
this distance and this distance are
equal now let us see if it holds held
true in this case in this case the
distance of this is this much but the
distance of this from the mirror is this
much which is not equal so in this case
it doesn't hold true now if you compare
it for any point so for any of the
points you will see that the distances
are not equal so let us assume this
point if you take this point so here the
distance is this much but here the
distance is quite less but in this case
you see you compare it the distance of
the object is equal to the distance of
the image so with this you can conclude
that images cannot form like this and
that is why we have the concept of
lateral inversion because the tenth
ahead image formation happens on that
concept of point object and point image
so for every point on your body an image
is being formed so when it happens point
wise so that then you actually end up
getting up inverted or reverted image so
in this is what happens in the light
which is traveling from the left hand
side of the object is reflected straight
path and it appears
Azzam is this coming from the right-hand
side of the image so basically with with
the help of the image distance and
object distance I think you can
understand it pretty well now let us
look at some more examples of lateral
inversion so this was all incorrect and
if this is the correct one now you can
see lateral inversion very clearly with
something written for example you write
night now the mirror image of life will
be something like this that's that is
also the same concept you see the
distance of T from the middle should be
equal to distance of T from the mirror
the distance of H is again the same so
for each of the point or that time in
whatever text you will see that the
image distance is equal to object
distance so if you place a middle like
this so then the laterally inverted
image will be somewhat like this because
you are also using the distance is
always remaining the same so with this
concept of lateral inversion you can
also explain these type of phenomena
where you see the in case of object this
is the top and this is the bottom but
when you look at the image it is
inverted so this has become the bottom
and this has become them the top has
become the bottom so this is I mean this
correspond septic lateral inversion is
very common and it is very important so
with this we have understood reflection
of light and we also got to understand
how reflection of life helps us to see
our images how it helps us to see the
options around us
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