Some Natural Phenomena in One Shot | Physics - Class 8th | Umang | Physics Wallah
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- čas přidán 6. 02. 2022
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▶️Complete CLASS 8TH - SCIENCE ONE SHOT Lectures - • Science - Class 8th NCERT
In this lecture of Umang batch, Alok sir is going to teach you about Agriculture.
Topics covered in this lecture are-
•Lightning
•Properties of electric charge
•Earthquake
•Story of lightning
•Lightning safety
•Lightning Conductor
There are many other important chapters that we are going to cover in upcoming videos for class 8. Stay tuned with PhysicsWallah Foundation.
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🔴 Details about the batch -
• Recorded Lectures for Class 8th Students.
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• Weekly Lecture Planner will be uploaded on PW Foundation Community Page.
• Classes will start from 10th January and we will cover the whole syllabus by 10th March.
🎦 Eight Lectures per week will be uploaded.
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#Science #Class8 #Umang
Kon kon 2024 mai dekh rahe hai 😊
Me
Me
Me
Me
Meee 😊
Legends watching this video 2 days before exam💀😂
Same lol
I m ultra legend watching 1 day before exam 🙂
No i watch 2months before exam
Not me..🌝😎
1 day
1 like = 90% in exam 😅😅
👇
who want 100percent dislike
😂😂😂😂😂@@shamshersingh4915
Ham 2022 ke video ko 2024 me dekh rahe hai 😊😊😊😂😂😂😂
Richter Scale:- It is a scale which is used to measure the magnitude of earthquake
Good
Fouck
Good gurl
Ya
Bhai girl ki spelling yeh hoti na ki gurl 😂😂😂@@parth6013
1:08
3:20
4:00 disco light on 😊
😅😊
Sir pls give some Extra Questions in the last of the session.
Yes sir plz
Hi
Hi
Hi
Hi
Thank you sir for ur wonderful explanation 😊
The Richter scale is a way of measuring the strength or magnitude of earthquakes. It was developed by Charles Francis Richter and Beno Gutenberg in 19351. The scale is based on the logarithm of the amplitude of seismic waves recorded by seismographs1. The formula for calculating the Richter magnitude is:
ML=log10A−log10A0(δ)
where
ML is the local magnitude,
A is the maximum amplitude of the seismograph,
A0 is a function of the distance from the epicenter, and
is the epicentral distance of the station1.
The Richter scale is logarithmic, which means that each increase of one unit corresponds to a tenfold increase in the amplitude of the waves. For example, an earthquake of magnitude 5.0 produces waves that are 10 times larger than those of an earthquake of magnitude 4.0. The energy released by an earthquake also increases exponentially with the magnitude. Each increase of 0.2 units corresponds to approximately a doubling of the energy released1.
The Richter scale has no upper or lower limit, but most earthquakes have magnitudes between 0 and 10. Earthquakes with magnitudes greater than 4.5 can be detected by seismographs all over the world1. The effects of earthquakes vary depending on the magnitude, the depth, the location, and the geology of the area. The following table shows some typical effects of earthquakes of different magnitudes near the epicenter2:
Magnitude Effects
Less than 2.0 Microearthquakes, not felt, or felt rarely by sensitive people.
2.0-2.9 Minor, felt slightly by some people, no damage.
3.0-3.9 Often felt by people, but rarely causes damage.
4.0-4.9 Light, noticeable shaking of indoor objects, rattling noises, significant damage unlikely.
5.0-5.9 Moderate, can cause major damage to poorly constructed buildings, slight to moderate damage to well-built structures, felt by most people.
6.0-6.9 Strong, can be destructive in areas up to about 160 km (100 miles) across, damage to a moderate number of well-built structures in populated areas.
7.0-7.9
Very Nice 👍👍
Why are you watching this video you know everything 😂😂
Are kaha se late ho itna gyan
In 19351? What year is this again? 😂
@@shivapatel1116 google baba😂😂
IMPORTANT🕵POINT
1. Rain is a form of precipitation.
2. Rain is measured by Rain Gause.
3.pH of Rain generally under 6.
4. Word 'Electricity' comes from the Greek word 'Electron' which means Amber.
5. The process of Rain forming is called the 'Bergenon Process'.
6. Charge is measured in Coulombs (C).
7. PW is best. (IMP.) ❤
13:35
Thanks for giving such important points😊
sir how to know that on which object we got which type of charge negetive or positive
By induction 👍🏻
Richter scale is used to measure intensity of earthquake.
Richter scale is also used to describe the magnitude of an earthquake.
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Bta 2.
P
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E
Yes it's right
The earthquake is expressed in terms of magnitude an a scale is called Richter scale . Thanks Alok sir 🙏 🙏🙏🙏
Thankyou sir padhne ke liye, quki magnet brains Vali didi 2x krne per bhee 0.5X per bolti hai 😂
The Richter scale is an instument which is used to measure the power of earthquakes
It's not an instrument,it's a scale.
For the measurement of the intensity of the earthquake waves, richter scale is used.
yeah and the record is written on seismograph
@@Kiwi_047 The paper used is known as - 'seismogram'
The study of these waves is -'seismology'
The sciencts who study seismology are known as seismologists
Kal paper hai, abhi 10:22 ho rhe hain, video 2x pe chal rhi hai !! 😢
Bhai mere raat ke 2:18am ho re h☠️
Same
Bhai
@@subhashpooniya7341 😭‼️ wish u good luck brother ‼️🗣️
🫡🫡🫡🫡🫡🫡🥹🥹🥹
Sir vary handsom and very nice video sir ch 15 ha
The scale which is used to measure the magnitude of earthquake is known as RICHTER SCALE 😊
10:00 Sir said it took 2000 years after 1752 for realisation,1752+2000=3752 😂😂
Sir living in future
You are wrong @@darshanadas4558
@@darshanadas4558 fr
It is right answer
@@darshanadas4558dude it took 2000 yrs for greek to prove😊😅
The intensity of an earthquakes is expressed in terms of magnitude on a scale is called the Ritcher scale. Thanks 😀😀😀
👍
the layer after crust is called "MANTLE" not 'MENTAL" plz refer it with book
10:21 like what the hell we needed 2000 years to realize and we are still living in 2023 (at present)
It was a mistake, it is 200years
Richter scale is used to measure the magnitude of an earthquake
Two ways to save ourselves from lightning
1. Stay away from an isolated place.
2. Best way is to crouch down if we're in an open field.
The Richter scale-also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg-Richter scale-is a measure of the strength of earthquakes, developed by Charles Francis Richter and presented in his landmark 1935 paper, where he called it the "magnitude scale.
Sab Google se chapa hai
@@miniva.07Yes Bro
@@PragyaPandey-dl7fu Tuge kese ptaa ki usne Google se chapa h
Please don't fight 😅😅😅😊😊
Lad kyu rahe ho 😂
Richter scale is used to measure the magnitude
Thank you sir for such a nice, and interesting class
57:21
The power of earthquake is expressed in the term of magnitude on a scale called Richter scale
the instrument which we use to measure the magnitude of earthquake is called Richter scale.......thank you sir
Two measures are protect our -self from lightning
(1) stay in door or under cover area.
(2) Don't take bath during lightning.
Richter scale measures the magnitude of earthquakes
Kon pagal nahey gau lighting mai
@@Elvi.in9 hi
@@Elvi.in9 😂😂😂
Richter scale is a scale which is used to measure the magnitude of earthquake.
Sir padhte padhte aagayi barish 🔆
😲😲😯😮😦😧
Richter scale is used to measuring the wave of earthquake
The scale that is used to measure the magnitude of an earthquake is called Richter scale
21:40 is very good experience🎉
thank you sir whatever you teach is so clearly engrained in our brains
this really helps during exams
im watching this a day before exam
so true
it's not that cringe it's me being a sweet flower
Legend
Richter scale is used to describe the magnitude of an earthquake
Sir can you please leave some questions at the end of video for reference and sample questions for practising 😊? That will help us , students and clear doubts from core
😊
57:35 The instrument which measures the magnitude of of the earthquake is known as Richter Scale
Watching this video before sessions starts.....
Already completed rest of chapters..
The power of earthquake is expressed in terms of a magnitude know as Richter scale thank you sir 😊
Hi
@@harshdeepraj5 hello free
@@doremongaming0890 hi
@@doremongaming0890 megha
Megha kumari sir
Richter scale is the scale used to measure the magnitude of an earthquake, that is the amount of energy released during an earthquake
Richter scale used for measuring the intensity of earthquake.The Richter scale measures the maximum amplitude of seismic waves as they reach seismographs The magnitude is expressed in absolute number, 0-10.The power of an earthquake is expressed in terms of magnitude on a scale called the Richer scale.❤❤❤😊
Super 😊
Vote for alok sir and dj alok
Dj alok
The device used to measure magnitutude of earthquake is called Ritcher scale.👍
Thanks bro for telling😊😊😊
What is your phone number😊😊😊
If you are boy then you tell me 😊😊😊
If you are a girl then don't tell me 😊😊😊
Right
Not device it is scale
Tomorrow is my exam
Richter scale is used to measure the magnitude and intensity of an earthquake!
The Richter scale is the best known scale for measuring the magnitude of earthquake 57:46
43:17 sir its mantle not mantal
The energy or the magnitude of the earthquake is measured on an open ended Richter Scale.
I understood this chapter very well.
Thank you Thank you so much sir
❤❤❤
Richter scale is used to measure the magnitude of earthquake
Legend watching this before 1 day to exam
The power of the earthquakes is expressed in terms of magnitude on a scale is called Richter scale
The first widely-used method, the Richter scale, was developed by Charles F. Richter in 1934. It used a formula based on the amplitude of the largest wave recorded on a specific type of seismometer and the distance between the earthquake and the seismometer.
I am navodayan🎉
1. Richter Scale is used to measure the scale of absolute 'Magnitude' of an earthquake based on the amount of seismic energy released. 2. Mercalli scale measures the 'Intensity' of an earthquake based on based on the amount of destruction caused.
Richter scale is an inatrument is use to measure the magnitude of earthquake
THANK YOU SIR IT HELPS ME A LOT IN NSO PREPARATION AND I WAS NOT INTRESTED AT PHISICS AT ALL BUT AFTER SEEING YOUR VIDEOS I AM LOVEING PHYSICS AND MY HAND NEVER RAISED IN CLASS FOR PHYSICS BUT AFTER WATCHING YOUR VIDEOS MY HAND RAISE ALWAYS THANK YOU SIR
After learning physics, do consider taking an English class😅
@@divyanshgarg5434 😂😂
Bro check your physics spell first, then you will love it😂😂😂
@@divyanshgarg5434 😂🗿
Richter scale is used to measure the magnitude of earthquake ❤❤
A seismometer is the internal part of the seismograph, which may be a pendulum or a mass mounted on a spring; however, it is often used synonymously with "seismograph". Seismographs are instruments used to record the motion of the ground during an earthquake.
10:00 sir said it took 2000 years to realise after 1752 it means 1752+2000 = 3752 sir is living in future 🤣🤣🤣🤣
yes
Richter scale is a instrument that is use for measuring earthquake.
Thnx sir for explanation😊
By measuring the amplitude of the waves the strength of the earthquake is determined bby using the Richter scale
ground ❎ gound✅ 39:55
Richter scale is used to check the power of an earthquake is expressed
In the term of a magnitude on a scale called the richter scale
39:03. It's building not buiding. 😊
charging by rubbing topic picture is insane 😂😂😂😂😂
A scale that is used to measure the magnitude of an earthquake is called a Richter Scale.
To measure the power or the magnitude of an Earthquake, Richter Scale is used.
Ritcher scale is a instrument which is used to measure the magnitude of an earthquake
Richter scale is a device by what we can measure an earthquake.
Like the magnitude of the earthquake
Sir please make it download
Richter scale is a scale which is used to measure the magnitutde and intensity of an EartHquake
Richert scale use for measuring the magnitude of earthquake
However difficult life may seem, there is always something you can do and succeed at.”
This can only understood by intelligent bade's
The power of an earthquake is expressed in terms of a magnitude on a scale called the Richter scale
So niceee lecture my all concepts about this chapter got clear... thank you sir 🙏
And here is the answer of homework
Richter scale- A scale used to express the power of earthquake in terms of magnitude is called Richter scale
😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊
The magnitude of an earthquake is measured on the Richter sca
Thank you sir🙂🙂
Richter scale is a machine by which we can measure the magnitude of earthquake
What happen if we use metal rod in place of glass rod 22:51 22:51 I am curious to know 🧐🧐🧐🧐🧐🧐🧐🧐
The scale which is used to measure magnitude of earthquake is called richter scale
i am watching this video before one day exam
Aap log itna acha lecture daate ha or ak ak topic explain karte ha ki koyi aap unlike kar hi nahi sakte
Thank for this lecture to all physics wallah's teachers👍🧠
Richter scale is used to measure intensity of earthquake
Richter scale:It is a device which is used to measure the magnitude of earthquake.
The power of an earthquake is expressed in terms of a magnitude on a scale called the Richter scale..........and thank you so much sir🙂
richter scale is used to measure the magnitude of earthquakes
the lecture was indeed very helpful
The instrument which measures the magnitude of earthquake is called Ritcher Scale
Thank You Sir I Understood All And this was a very Good explanation ❤😊😊❤
Richter scale is a scale which helps measured magnitude or intensity of an earthquake.
Sir, you're always smiling when you are teaching, and it's the proof that smile in every condition of life and nothing is impossible 😊.
@total dhamal o chomu ,that's a good thing, na!
Pagal
R u am army me too 😌 my bias is also thv
@@shwetaswami5325 yeah am army 💜
@@thv1073 me too my bias is taehyung
An instrument used to measure the the magnitude of the earthquake is called Richter scale
😮😮😮😮
Sir mujhe 37:49 mein doubt hai. Kya mobile phone bhi ek electrical appliance maana jaaeyga jab vo charge nhi kiya jaa rha?
Nahi kyuki Phone ka koi connection nahi hai with electricity
The scale which is used measure of the earthquake is known as Richter scale
A Richter scale is a scale that is used to measure the magnitude of an earthquake or the power of an earthquake.
Richter scale is used to measure the magnitude of earthquakes, although the lecture was amazing sir 👏 🙏
13:20 13:26 😅 13:27
Earthquake ko measure Kiya jata ha woh jyeda magnitude me ha ea Kam or jisse measure Kiya jata ha wo Richter scale.
Ricther scale is the answer. And thank you so much for your explanation.
Is only me who is watching this 1 day before exam 😂
Sir can you make some detailed lectures because this is a limited content waitingbfor ur response
Legends are watching before Exam 😎
Mera kal exam hai
@@DimplePatel-fu4rj mera bhi bro 5 march ko