Atmospheric Circulation & Weather Systems - Chapter 10 Geography NCERT Class 11
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- เผยแพร่เมื่อ 25 พ.ย. 2024
- Video lecture, lesson summary, revision notes and solutions of CBSE NCERT Geography Class 11 Chapter 10 Atmospheric Circulation and Weather Systems. This educational video is important and forms foundation for UPSC / IAS, SSC CGL, CDS, NDA and other school examinations.
**Time Stamp**
1. Atmospheric Pressure @ 0:55
2. Vertical Variation of Pressure @ 3:22
3. Horizontal Distribution of Pressure @ 4:37
4. Isobars @ 5:00
5. Isotherms @ 5:12
6. World Distribution of Sea Level Pressure @ 6:11
7. Forces Affecting the Velocity and Direction of Wind @ 7:08
8. Pressure Gradient Force @ 7:32
9. Frictional Forces @ 7:47
10. General circulation of the atmosphere @ 9:11
11. ENSO El Nino Southern Oscillation @ 12:20
12. Seasonal winds @ 18:39
13. Local Winds @ 19:52
14. Land and Sea Breezes @ 20:14
15. Mountain and Valley Winds @ 21:51
16. Air Masses @ 24:08
17. Fronts @ 25:58
Video on Tropical Cyclone
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Video link of Subtropical high, Subpolar low, Easterlies, Westerlies | Atmospheric circulation | Pressure belts
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Questions & answers can be found here
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Check the other playlists of CBSE NCERT Geography videos
Class 6 - goo.gl/DDFtIF
Class 7 - goo.gl/ppPK05
Class 8 - goo.gl/OD3Gwh
Class 9 - goo.gl/AIEXxQ
Class 10 - goo.gl/inWIAR
Class 11 (Part 1) - goo.gl/Pn5EIE
Class 11 (Part 2) - goo.gl/X4zY9K
Class 12 - goo.gl/Kszpz5
Here is the link to the much awaited video on "Tropical Cyclone".
th-cam.com/video/W2UDbDXXYGE/w-d-xo.html
Wizard of geography
I have read geography 4 times by myself. My intention was to revise through your videos trust me . I learned same concepts with different perspective. You changed
My thinking
Thank u sir. Sir please make a video on extra tropical cyclone mujhe samajh me bilkul nahi aa raha sir please help.
Sirr plss add a video on extratropical cyclone
Sir you said that in equitorial region because of high temperature low pressure occurs but now you are saying that the temp is proportional to the pressure i am confused sir
@@shivasiddharth833 it's gaylussac's law where pressure is directly proportional to the absolute temperature
not a upsc cse student, i'm currently in class 11 humanities and i was upset about lack of internet resources for humanities student. but having found your channel im more than delighted! such easy explanations!!
Same
me too
Can you plz give geo notes ?....
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Chalo ab khush raho padho
No quality video could be done for geography greater than this, Thank you so much sir for making such a quality lectures for free☺️✌️
Bhai inhone to main topic hin chorr diya,, 2 part me chora hai ,, 1st wala to linke me video de diya but 2nd part ka kuch bola hi nahi ( coriolis force ka topic next page tak )
18:02 The process of cold water rising to the ocean surface is called up-welling. Thermocline is the transition layer between warmer mixed water at the ocean's surface and cooler deep water below.
I was looking for this comment.. Nice
Thanks
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Nothing can be greater than the geography videos of Amit Sengupta. I always find geography very difficult to understand but you have saved my life. I have been constantly browsing video lectures for NCERT geography text books but never found anything fruitful until i reached here. You have made my day sir. I find it very easy to understand each and everything now. Thanks a ton for the free lectures.
You missed some beautiful points in page 93 regarding the melting of snow, it took me 30 mins to decipher what the author is saying, why are geography NCERT books are so complex
Yes.. it's too complex
@harshvardhan hi can u pls explain it if u have understood?
Yes plz explain it
@@aswathyvijayakumar7737 "Another type of warm wind occurs on the leeward side --------------------------------------------------------------------------- melt the snow in a short time". means
There is also a type of warm wind which occurs in Mountains when moisture containing winds travels up in the wind facing side of mountains, Reaching at the high point (due to low temperature) they condense and precipitate leaving the moisture in the wind facing side. While when they cross the mountain they become dry. On the leeward side of the mountain, they descend and gets warm(When the air parcel or wind descend due to increase in atmospheric pressure the air parcel compress and gets warm this process is called the adiabatic process.) This warm air causes the snow in the leeward side of the mountain to melt.
Geography section of ncert is highly conceptual and technical and requires lots of efforts to read between the line
Sir plz upload other remaining chapter
Like chptr 11, chptr 12, chptr 13, chptr 14, chptr 15 and chptr 16
Plz sir My request
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Sir your way of presenting things are really impressive. Maing study easy is the art of teacher. Thanks alot :)
I was so irritated with geographical terms and less or no illustrations in the ncert, but it is a must read
You're videos came as a saviour in my readings
Thank you 🌹
Such a lucid explanation!
I got jitters on the thought of reading about these phenomena and here you made this so simple and easy to grasp. Once again, a big big thanks! :)
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I am really thankful to you for your wonderful explanation, Sir. Geography has become so much easier.
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TOO PRECISE AND DILIGENTLY EXPLAINED..CLEARS THE CONCEPTS WITHIN MINUTES..MUCH APPRECIATED..
Every piece of your video is resourceful and best thing is your voice which delivers it in Cristal clear way 👍👌✌️thank you sir
Sir I think there is inverse relationship between temperature and pressure
Pressure decreases with height because of scarcity of air at higher altitude
Even I was confused because of this.I also think there is an inverse relationship between temperature and pressure. I think cold air sinks creating high pressure meanwhile warm air rises creating low pressure.Sir, kindly help us to clarify
Since the number of air molecules above a surface decreases with height, pressure likewise decreases with height. Most of the atmosphere's molecules are held close to the earth's surface by gravity. Because of this, air pressure decreases rapidly at first, then more slowly at higher levels.
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love u sir....
Dedication to make this easy for students 100000000000000000000000000000000000000000000000000000+
you are a great mentor !!!! that"s the only thing i can say. thanks for all your support dear sir !!!!
Excellently explained sir thanks a ton
I could never understand the Coriolis Force. But this changed today. Thank you, sir.
Stupendous lecture Sir.wah kya baat hai.
Very helpful and the additional video... Clears the concept with an ease. Thank you so much for your effort. 🤗🤗🤗
Thank you sir. this is the best use of digital media that i have seen in explaining topics even after going through some reputed names in digital education. Please upload chapter 11 and more as soon as possible. It is of great help
Your videos make us to learn geography very very easy way.Very good video.
Just one word
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Hello
thank you so much.....you explain so perfectly.........started loving geography after watching your videos.
Your videos are so simple and understandable but I wish the autotune can be there so I can get clearer understanding on the explanation as well👍👍
One of the most difficult book of NCERT for UPSC Aspirants!!
Sir please do something to increase the voice, even ads are much more louder on high volume
Anyone watching in 2024...
Me
best channel on youtube which always helps me in understanding geo.
Dear Sir,
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Best teacher in the world. 🙏🙏😊
Thank u for making these chapters easier sir 🙏🏼 id be able to do good on my geo exam
Just gr8 lectures.... Please complete all the chapters till... biodiversity and conservation
sir pls upload extra tropical cyclone, Tropical cyclone, and Thunderstorms and tornadoes in this mnth and chapter 12 also.
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Thanks Mr Amit sen Gupta.
Undoubtedly , your lectures are extremely knowledgeable and insightful and thank you for the trick to remember those technical words like "Katabatic sounds something cool and dense like ice" since they're high density winds.
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There is an inverse relationship between pressure and temperature... So how can temp decrease with pressure decrease
When we say a gas exerts pressure, then we are implying the gas molecules are hitting the walls of the container. The velocity of gas molecules increases on increasing the temperature. How? Imagine a corn jumps on heating and becomes pop corn. Now, consider the gas molecules with high velocity as vehicles on roads with high speeds...there are more chances of collisions 😬because there is randomness in the gas molecules. As the no. Of Collisions increased, the pressure will increase. If you need technical back up for the explanation then follow the gas rules of chemistry PV =nRT.
There is no inverse relationship check your formula....its Directly proportional....pv=nrt
@@sangpriyagautam1658
Hey, Could you please clear this for me?🥺
If pressure is proportional to temperature then the cooler areas such as polar regions should have less pressure but that's not the condition there.. How & Why?
I have the same doubt
Sir your English is just Awesome
Dude, oh my gosh come on man. This guy is a legend. I was looking for this chapter vid for like hours and thanks man
Thanks 💜 sir
Sir, on earth surface, temperature and pressure are inversely proportional, if one increases, then the other decreases. Eg. High temperature during summers, led to low pressure_as the air get warmed up & rises.
And, altitude-wise, temp. & pressure are directly proportional.
With due respect, I found your statement confusing, as they are not always directly proportional. That's why, want to clear my doubt.
But sir, you are doing a great job. Thank you so much for such informative videos.
US10 same doubt. I’m very confused.
I also have a same doubt sir plzz help us to make it clear
"In the earths atmosphere, pressure, which is related to the number of molecules per unit volume, decreases exponentially with altitude. Thus, if a parcel of air from the surface rises (because of wind flowing up the side of a mountain, for example), it undergoes an expansion, from higher to lower pressure. When you allow air to expand, it cools. This phenomenon is familiar to everyone--stick your finger on the valve of a car tire, and let some air escape. It is not cool inside the tire, but as the air comes out it expands and thus cools." explained by Paul Shepson, professor of atmospheric chemistry at Purdue University's School of Science
@@nayan_deori Yes that is correct. But due to expansion, the pressure decreases. Actually, with increase in altitude/height the temperature decreases, so, the atmospheric pressure also decreases, and the air expands due to lower pressure over it.
Pressure and temp are directly proportional to each other
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N ur voice I love it...
Best channel for geography ❤️✅💯😍
Thank you so much sir. You have cleared many concepts ...
बहुत बहुत धन्यवाद गुरु जी
Thank you so much sir 😍🙏❤
10:00 (i)Emergence of pressure belts - High temperature region has high pressure low temperature region has low pressure then why there's high pressure in polar region and low pressure on the equator though the temperature is low and high respectively?
Very very helpful sir.... thank you so much....
A Big thank you , sir , what a quality of explanation u have , unmatchable skills
Sir ,
First I m thankful to you for your wonderful lectures.
Plz also upload the lectures for the remaining chapters.
Very helpful sir and explained very well thank u
Very properly xplained sir...helped me very much with my xams..
Thankyou so much sir for making geography so easy
sir please upload the remaining 3-topics ,not getting interest over others explanation...i have to attend 2019 UPSC
..eagerly waiting for your lectures
Sir, plz upload the lectures video on cyclones, thunderstorms and tornadoes... Ur lectures are very helpful for us.☺
Sir,
this lectures help me a lot..
And it is requested to you sir to make some lectures on indian history....
Plz..
Awesome Sir u explained very well...
Thank u so much for this wonderful lecture...it made things easier
In topic horizontal distribution of pressure- there is a line-" in order to eliminate the effect of altitude on pressure, it is measured any station after being reduced to sea level for purpose of comparison.
Can you please explain this line?😣😣😣
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Vry nicely explained
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Thank you they are extremely nice...
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Thank you sir your lecture is good to understand
The clarity u give 😍
Sir please upload extra tropical cyclone of chapter 10.
My self khan and really like your way of explanation
thank you so much sir, this video helped me a lot
Sir but when temperature increases pressure decreases cause they are inversely proportional
Sir, your explaination is very useful and please put SUBTITLE for all videos.
Thanku sir.
Very helpful videos
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Noone has ever explained me ENSO this way! You are amazing, sir .
Sir your voice is not properly audible...Apart that your explanation is superb..keep it up...