Movement of Air (Easy Explanation) Video Lecture - Class 9

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no more co-come exam now when we have so
much about air we see that all moves
from one place to another and what
happens when air moves from one end to
another that is what we call it wind
moving air is bended so movement of air
from one region to another create video
the question is what causes air to move
from one region to another why does air
move so the first question is from where
does air so add all these tend to move
from a region of high pressure towards
the region of rotation so if you have a
high pressure region and if you have a
low pressure region then what happens
air tends to move from high pressure
region to low pressure region that in a
problem questions while Weider's and
move from high pressure to low pressure
regions now here we will make use of the
very simple concept of pressure so we
all know motivation pressure is nothing
but force per unit area so when we talk
about a high pressure region what
happens
air pressure in this mode therefore the
force experienced by the particles would
also be more in this region so in the
alliteration region for experience by
the particles of the wind is more now
when the force experienced by the
particles and this region little change
that instance a particle of air in the
high pressure region now since this is
hydrated region therefore this particle
is experiencing high school where head
let's see this is a particle in the low
pressure region or HP that this part is
there is not a particle in the low
pressure region and this particle will
experience a smaller hole because the
pressure is lower there so overall there
is the particle experiencing more force
or between the hydration region so very
where you experience more force the
particles will move according to that
force for example if you have a box like
this box lying on the floor now let's
say that you push this box from this
side and your strain is pushing this box
on this side but your forces a lot more
than that of a transpose so in that is
in which direction the box will move the
box will move in this direction because
the force in this direction is more
Sicilian endlessly happens here the
sense that particles it's even more
force in the high pressure region
therefore the particles tend to move
from high pressure to low pressure
regions and then all the particles of
the air moves from high pressure to low
pressure regions in what hands the air
has a hole move from hydration region to
location region and deep this creates
wind so based on the concept of air
movement or wind let's understand the
concepts of series and land B so what
are these these important sea breeze and
land P now you would be able to
experience these three brains our land
breeze in the coastal area now what
happens in the coastal areas you have
land as well as the steam at the same
place like you can actually feel the
interface between the land and the sea
so have you ever noticed that in the
coastal areas you actually feel cool air
from sea to land during daytime and this
cool air from sea towards land during
the daytime is called stealing now let's
see what causes v3d
now what happens during the daytime so
during daytime there if you compare the
land and the lesser water so you see
that during daytime with the heat the
land gets heated up quickly than that of
the sea now if you can try out this
experiment at your home take two similar
balls say one bowl with water and
in the other Golden's and now put both
of them in the Sun for thirty two to
three hours after some time you would
observe that the signs became hotter
than that of the water that's because
land is heated up quickly or more
quickly than that of the water so as a
result what would happen the land is
heated up quickly
now when the land gets heated up quickly
what happens the air above the land gets
heated up now warm air is less dense as
a result the warm air moves up so let
them it will tend to move up so
therefore this warm air which is less
than it starts moving up so as a result
what happens in this region so a vacuum
is created here because the air which
was present exactly about the land that
air is moving up because the air has
become hot so what are nothing here a
vacuum is getting created or we can say
that a low pressure region is getting
created as a result what would happen
the air pressure so here is very high
pressure regions but here is somewhat
low pressure regions will get created so
comparatively this region is at a higher
pressure now we know that add all these
tend to move from hydration regions
works low pressure region
so therefore this air which is which is
comparatively cool so this cool air they
move from sea towards the land and this
cool air is termed as the steel breeze
so this is called steam peas and this
sea breeze flows during the day time
because since entire phenomenon happens
during the day time okay so now this
cool air that is moving this side as a
result what happens again here in this
region low pressure will create it so
when rotation who's created so what
happens the air is
that air tends to move the side make the
air about it tend to come down from high
pressure to low pressure
so again when this air comes down what
happens at this area here location gets
created so the air from this region
tends to flow to this region so as a
result it is life of complete cycle and
this cycle results in the formation of
sea breeze during the daytime that is
why you would have experienced the
school feed these in the coastal areas
during daytime which you normally do not
experience in other areas so you can see
this phenomena of series only in coastal
areas of aliens with adjacent large
water bodies where you have land and as
well as water as different to each other
so that sea breeze so in a similar
fashion if the reverse thing happens
during the night so as the ninth time
you see land breeze that means at
nighttime air land gets colder quickly
than that of the sea
say to the fifth delivers cycle happen
lessons land becomes cold quickly so
what happens comparatively she becomes
hotter so if she is comparatively hotter
so again the hot air rises up to a low
pressure area is created here there put
air route from hydration area to low
pressure area so again vent air moves
from this place so what happened here
again low pressure area gets created so
from hydration air come here as a result
here no pressure in your deck related to
a nasal Moody so that's how it will
happen in this anti-clockwise direction
so in this case what is Landry the land
breeze would be the cold air which is
flowing from land towards the sea at
night so therefore if you sit near a
coastal area at night you do not feel
that with your cold breeze because the
breeze is not coming from the sea
towards the Lance distance the breeze is
flowing from
and towards the team so just a reverse
thing that of that what had happened
during the daytime
now with this so if you look at the
concept behind land breeze and sea
breeze you see that it is just believed
on one simple class that and it's warm
warm and it is less dense so it moves up
the bow moment maybe some movement of
air what happens low pressure regions
get created and whenever there is a
difference in pressure between two
regions for the movement of air hands so
which leads two concepts together the
entire movement of land breeze and
series takes place thank you
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