Thermal Properties Of Matter 06 | Heat Transfer : RADIATION : Black Body and Krichoff's Law JEE/NEET
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- Опубліковано 30 вер 2024
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2)Live Classes and recorded Video Lectures (New, different from those on UA-cam)
3)PDF Notes of each class.
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6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021)
7)In case you missed a live class, you can see its recording.
8)You can view the videos any number of times.
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10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams.
****Test Series for XI & XII****
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The test series follows very logical sequence of Basic to Advance questions.&
Evaluation of Test and Solution to all the questions at the end of the test.
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😘😘😘
Sir, on with support you in your journey on my birthday. Ok... Please watch my channel
Sir can u do numericals too
It will be helpful for us
1 ques. sir. You said the wall behind absorbs all color other than red, so it will reflect the red color. But after sometime in Kirchoff's law, you said the wall behind will absorb red color the most and hence it will emit the same color more. It's a bit confusing.
""Physicswallah is directly proportional to feel of physics"" where ""chuha khana band kar do ""remains constant.😂😂😂
😂😂
Damn lame
@@aarsiprasad5342 Ikr but still 😂
Nice ❣❣❣
😂😂😂
More than 99% of the students don't share the video to their friends 😂
Yaa
yeah exactly...
yeah....and why even should we ?? they go to institutes and don't tell much about the teachers , test series and evrything. they just tell those things which everyone can tell and most of us know.
why should we tell them about physicswallah ??
plus this is my fake account so no one gets to know about this comment . hahaha
😅😂😂
@@RichardJones-qu8xz boHot tez ho rahe ho😂😏
2023 me hun abhi bhi kon kon old lecture dekh rahe ho bolo
Me
Me Or aj exam h
Present
@@The_Styline2910 badiya ji
Me
Who else thought that Sir is wearing a black Sweatshirt before he told that he's actually wearing a green one 😂? 👇Do mention....
I came here searching for this comment only 😂😂
@@debashritajaiswal2415 😂
@@nakulgavhane2604 😅😅
Brightness Inc karo green ho jayega
Jiii😁😁
32:06....God the way he said sorry❤.....
There was a teacher in our coaching..his phone used to rang in the classroom atleast 20 times nearly everyday... But he never put it on silent mode... Neither receiving nor rejecting... It was so disturbing.... Whole class wanted to throw his phone out of the window... But god we were helpless🙄🥴🥴
And this man is teaching free... Still with such a dedication... Hats off... There can't be another alakh pandey in whole universe... ❤... More power to you sir
True....
Kaun kaun chaheta hai ki sir ke 5 M subscriber jaldi se ho jaye
Are bhai kaisi batten karte ho alakh sur ko koi rok sakta hai
Sir ke ek nahee 10 million subscriber honge agale 6 months mein
Baseq
@Shyamala Sundari ya
I want
41:05 I'm watching this in 12th and when he says "Kirchhoff's law" I'm like "abey yeh phir se aa gaya"
Lmao you studying thermal after class 12th
@@ranjan.zahreela Revision bro........revision
@@saatwiiksrivastava5549 oh!
@@saatwiiksrivastava5549 same😂
@@ranjan.zahreela me 🙋🙋😅
So in life try to become an emitter rather than a reflector
Bro u can only emit when u can absorb.u cannot emit without fuel i.e when u recieve good from others theu can emit good to others
in order to emit you need to absorb sufficiently
very smart people out there.sarcasm intended
emission re intially reflector
@@karthikchowdary4184 Itna deep chowdary bhai?
who hurt you bro
Batch pe enroll hone ke bad bhi , Alakh sir is best for fell the Physics.
yeah bro😃😉
Obviously🌝
haan yar
I was thinking... That why sir.. 34:08 ...Saying black sweeter, green... 😁😀 then i stop video and... Consentrate on sweeter.. Then i came to know that its.. Dark green.. 😝😂😂
I also did this🤣😂😆😁🤣🤣🤣
Yes me too..... 😁😂😝
@@ishakumari9965 same here
OMG ya
*Concentrate ....😂😂
Sir, I recommend your videos to all my friends.
Me too
Abh to btane ki zarurat hi nhi hai, sbko pta hai sir ka
@@shatakshisharma5240 yes bro
Me also
Me too among tibetans
BB ki vines nhi black body😂🤣😂😂😂😂😂
koi btech 1st sem k lia ipadh rha h yeha se???😅😅
Fun fact : if you full your brightness then sir sweatshirt turn into green 😁😁
2024 mein kon-kon aaaya hai dekhne?
49:14 Red wall good reflector h red colour ki i.e. bad absorber of red i.e. bad emitter of red
yes u r absolutetly right
i-was-confused-in-it
@@rakshityadav5895 Glad that i helped. Sir kayi baar galti kr dete h in purani videos. Comment section check kr lena chahiye ek baar
@@itstodfod8909 thanks
I jst confused here and I scroll through comments ...
Black is not a colour but black is my favourite colour 😏😏
🏴🏴🏴🏴 Islam jindabad 🏴 Taliban Islam ka Balck colour hai chahe Taliban ya isi sab ka Black aur green hai tum bhai Islamic ho
2025 aspirant attendence
Better than any coaching .
At least mine.
sir chooohon ka samaj aap pe copyright daal dega .
why bro
🤣🤣🤣
" bb ka mtlv bb ki wines nhi "..nailed it. ..! 😂
You need to get your something tight....its very loose
Its vines
Saumya Kakandwar Wines ??? Vines hota hai
Saumya Kakandwar WINES😂😂😂.....VINES!!!
@@thenoblesearch07 😂😂😂😂
Har din 5k+ subscription bar rahe hain...Waaah Sirji..😇😎😎😎😍
4m
@@atharvpatil114 bcs of sir, I got admission in a Government MEDICAL college this yr. He is ❤
@@doctorwithdreams4037 wow awesome 🔥
@@doctorwithdreams4037 really !! can you tell more useful things so that we non institutes students can feel happy. my confidence has increased now .
*ME JEE ADVANCED 2022 PHODUNGA !!*
@@RichardJones-qu8xz bro me also
How sir black body emits light it only absorbs light.
If it emits light then why we don't go further research.
"Q" looks like a mouse, so, " Q = EAT ", Eat Mouse.
SIR I WANT TO INVITE U TO MY SCHOOL FOR MOTIVATING STUDENTS AND MAKING THEM FEEL PHYSICS
tumare school ki physics faculty gussa ho jayegi 😂😂
school mein physics? it's like "jail mein Shahi Paneer".
@@askask4257 lol
@@yashmal1k kyu bhai
@@askask4257 bacche kahan se aa jate hain yahan 😂😂😂😂😂
Best teacher in UA-cam history physics wallah - alakh pandey
Abhi aap Kaha pe ho Bhai..
Bhai selection ho gya tumhara
Black body sharma ji ka ladka h😂😂😂😂
48:50 sir aap opposite bol rhe hai.... Wall red colour ko sabse Kam absorb krega toh jab usko heat krenge toh sabse Kam red colour ke radiations niklenge
Ya i am also thinking the same.
Yes sir tell that thing opposite
shut up you all sir reADILLY SAY SORRY
@@bhatzikra4769 sir told two contrasting things. We are not blaming sir.
Ya 23:44 he told red is reflected.... When he was teaching kirchoffs law he told red is absorbed the most. Y?
دعا ہے سر کہ اللّه آپکے دل کو ایمان کی روشنی سے منور کریں ۔۔
آمین
Hii
Inshallah..!!!
Black body is Sharma ji ka ladka !!😂😂
"BB ki vines nhi" 😂😂
Lagta hai sir bhi bhuvan bam ke fan haii
i came searching for this comment only
@@snchirag889 I am legit reading the comments rather seeing the video
lol
Sir where is ur black glove. Without black glove 😯
😂😂😂😂😂 yeah..i used to think i am the only one who notices it
it's perfectly black body...that's why u can't see it...it's still there...sry bad joke
@@prakharrai114 🤣🤣🤣🤣👌👌
@@renumalik8386 😝😝
@@prakharrai114 bro black body hai, john cena thodi, black body reflect karke to black ki dikhega, heat denge to colour red to incandescent jayega
Kon kon 2023-24 batch ke h like ❤ and comment please jo uttarakhand se h❤❤ love from uttarakhand
It's been more than 3 years since this video is uploaded but I'm still watching! It's really helpful, a student can study without any coaching by only physics wallah channel for his/her jee exam. Sir is really an amazing teacher, I'm a student of aakash inst but i study more here than in my coaching cuz I've missed so many classes of my coaching and I always try to watch the videos of sir before my physics/chemistry classes so that I can connect so much easily and then I perform better.
Thankyou sir! :)
If You Are Still Watching One Video From 3 Years,Than You Need Help.
*CALL 911*
@@Xavier-wg5rv you first need to correct than to then, first help yourself and then help others.
And coincidentally I gave the example alo see wow!
@@maggiesinging768majak samajh nahi ata kya
@@futureprimeminister1225 tujhse poochha kya be
@@maggiesinging768 comment section tera bap ka nahi hai
Sach bat agar hazam nahi hoti to youtube delete kar beta
42:58 Astronomy 😍🥺Thanks sir. I love astronomy
bro this not astronomy
this is our classical physics
if you really want to learn it
you should start it with concepts of quantum physics
like general theory of relativity,big bang and basic knowledge of celestial objects like black hole,worm hole,red dwarfs,white dwarfs, elementry particals and all that stuff
these things are really intresting
i too
@@Yash.the.seeker quantum physics or mechanics is a different realm and astronomy was a science of observation. In QP we study fundamental things. Quantum mechanics is used to explain it not meaning that it was QP
And Sir einstein disprove quantum physics he thought that it was waste
@IJSO ASPIRANT Astronomy olymiad kya hota hai? Explain pls
I am also bro
Timestamps
Radiation - 1:25
Theory of Exchange - 4:35
Emissive Power - 11:44
Absorptive Power - 17:47
Black Body - 24:08
Secondary Black Body Definition - 36:15
Black Body examples - 43:11
Kirchhoff's Law - 46:53
Proof of Thought Experiment - 50:20
JEE 2003 Qn - 59:00
Thanku
Bhai yaar kitni baar thank u khu tuze mera dil jeet liya tune maine tera comment 3 videos mak dekha iss playlist ke usse bhot madad hoti hai dil se thank u 🥺
Bhai kaise ye time line comment me paste karte ho
@@SaurabhPrajapati-hz5ek You only have to type in the Numbers with colon(:)
@@henajabeen5608bhai ab toh option bhi age timestamp ki
30:18 sir singing nerolac nerolac
Watch at normal speed sir is even dancing
Whoa .. bro, you know that we watch the videos with 2x speed😂😂
I am able to see this even at 2x speed😒
Wow the only educator of jee and neet with 4.13 million subscribers hats off 👏 🙌 👌
5.56 million😀
5.66 💥💥
5.80 m now
Now 6million
edited: sorry 6.6 million
6.16 million subscribers
Radiation - 1:25
Theory of Exchange - 4:35
Emissive Power - 11:44
Absorptive Power - 17:47
Black Body - 24:08
Secondary Black Body Definition - 36:15
Black Body examples - 43:11
Kirchhoff's Law - 46:53
Proof of Thought Experiment - 50:20
JEE 2003 Qn - 59:00
Thank u bhai
Thank u
how are you my bro
Sir you are a gift of GOD ❤️❤️❤️
Too much bro ..😂
true
agreed🤣
Correct dood😀😀😀😀
Pdhne se hota h ohkk .. plz throw away these type of
thing from ur mind
48:42 Sir apne kaha ki, peeche ki laal body laal rang ki sabse achi absorber hai. Lekin sir wo to laal rang reflect kar rahi hai. Usne baaki colours absorb kiye kyuki unn colours ke liye uski absorbtive power jyada thi.. aur wo colours absorb ho gaye isiliye reflect nai ho rahe. Sir aapne 22:50 - 23:19 me yahi baat kahi hai. Please clarify, ki sahi kya hai.
37:22 No Way Sir Know BB Ki Vines
So heat is eqqual to eat
37:20 totally unexpected 😂
Am I the only one who sees sir's sweater as black?😂
Sir also watches bbk ke vines 😀😀😀😀😂😂😜😜😜.......... Sirf thohda SA ho Raha hai confusing but we have to adjust by watching it again n again
Sir chuhe khane ka Kya mtlb Hota h
That means black hole is the only perfect black body
Water is a black body🤔
i am not Indian but still got a lot of help...Love from bangladesh
Education have no boundaries my friend
@@latif.khalid true
Disclaimer - No chuha was harmed during the shooting of this video.
And the video is not sponsered by narolac (30:22) 😂
Lol ,😊🤣😂😂😂
Due to Sir's Lectures ,chuha 🐁 became famous😂
sir actually the sun is not red in colour it is white in colour
sir you told that a colour appears when it absorbed all visible colours except that particular colour that appears to us in 22:31 but now in 48:32 u r saying that the red wall is absorbing more red colour so it is ren in colour
Yeah
Sir I have a doubt?
Black be too eak colour hota hai uske be koi wavelength hoti hai or agar eak black body sabhi colour ko absorb kr lati hai means hahari eyes tak kesi colour ke wavelength nahi pahuti to hamko vo dekhi he nahi deni chahya means it shoud be invisible.
Any one who know about my doubt please reply me.
Sir 11th kharab jae to 12th mein 90% aa skta hai kya
Mai bhi yahi question punchna chahta hu sir plzz reply
😂
Avinash Kumar ,are bhai 11 and 12 ka sylabus alag hota h aur koi relation bhi nhi h 11 se ,aur. aisi koi baat nahi h ,maine 11 me kuch bhi nhi pdha tha but 12 me accha teacher milne pr bio and chem me 95 marks the .
@@rishabhsingh9638 bro thanks yaar...ill surely give my 100% and work hard
@Satwik Tripathi thanks bhai....
After seeing this lecture I have started thinking logically why sir's sweater is looking black instead of green😁😂
Watched this lecture twice for the FEEL OF PHYSICS and teachers dont even bother to teach these topics , shows our exam oriented education system
Best lecture ever found on internet on heat radiation 👍👍👍👍🙏🙏
Right
Timestamps
Radiation - 1:25
Theory of Exchange - 4:35
Emissive Power - 11:44
Absorptive Power - 17:47
Black Body - 24:08
Secondary Black Body Definition - 36:15
Black Body examples - 43:11
Kirchhoff's Law - 46:53
Proof of Thought Experiment - 50:20
JEE 2003 Qn - 59:00
28 : 11 , sir apne emission bda ache se kia 😂
"BB matlab BB ki vines nahi black body"😂😂 , By the way best video for radiation for jee point of view....Thank you sir
I feel jealous when my friends tell me that they know about physics wallah 💔 😪
Ahhh! I am thankful to the god that I didn't got a friend like you.🙏😌
Hii
Same here😜
@@yuvrajsharma8475 haha I am also thankful to the god that you doesn't know about one more legend Indian teacher on yt. Well keep going...😁😁😁 no need to increase competition...more...
Ohhh..... Is there anyone like me who is studying this topic and approximately all syllabus of physics from God of physics..... 🥰🥰..... By the way happy new year all of you.............. It's 1 jan 2021 when I am writing this comment 😅😅😂😂
yeah me too ✌
Yeah me too
Btw happy new year
Anyone knows what zumba means 🤣🤣🤣😂
Sir plz notice this Comment for everyone otherwise isme sabka ghata aur sabka jata. Or else friends plz clear this doubt.
At near 48:30 you said red colour wall behind you absorbs more red so when it is heated it will emit more red than other colour BUT... actually it is reflecting red colour and absorbing other colours so other colours are invisible and red is visible to eyes and therefore other colours must be emitted when heated.
Sir ji, ye genuine doubt he. Clear nahi hua to feel nahi aayega. Plz Do one favour and reply for clearance.
Sahi baat hai
Bhai sir bole hai maan lo
He is not saying that ki red coloured wall is good absorber of red colour...he says maan lo ki ye red wall good absorber hai red colour ka then........
Such a beautiful phenomenon, man that's so cool!?!?!?😯😯😯😯
Could not understand last question 🤔🤔
I felt confident when I discovered I knew half of this already.. Black bodies etc., and when Sir discussed red-shifting and blue-shifting, I got super-excited! Astronomy really fascinates me!
Yes brother
When you are saying that all body(pen,paper ,ets) emits radiation I thrown my pen and paper and when you tell it is present in very less amount then I picked it up🤣🤣🤣🤣
Congratulations PW 8 million family
Lots of love from Nepal 🇳🇵💗❤️❤️
9 million within 2 months
11.6😂❤❤
2023-2024 batch,Let's show others that we are the best🔥🔥
Bhai are you giving nsea or nsep olympiad
Revision for jee mains 😅
Those who are for black body here it is 24:49
Black body ake black ⚫ concept hai jo ki palley padna bahut kathin tha per ab nahi😂😂😂😂😂🎉
Anyone here after 3 year,hit like 👍
That line “black body sharma ji ka ladka hai “ was just lit😂😂
That chuha Khana in all videos ...dammmmm😂😂😂
Yeah, I was wondering the same ! 😂
Haha chuha khana sir ka fav dialogue
The thing what admired to me of your's sir, that still after beautiful and rich content, you stick to reality..imean confessed the content of jee mains and neet, even other's at short description of topics, considered themselves to the prepration of jee mains/advance..even that's not comparable from class 11 purpose..But at end one thing want to say, thanks alot from core of heart😄
You deserve best physic teacher in india .who is watching during lockdown
Me
Actually in world😊
Me
No interest in physics class 11 but alakh sir physics teaching experience is feeling me physics is so simple
I have one doubt..... Please reply me.....Sir to jee ke level ke question krate hai .....And mai neet preparation kr rahi hu......Self study.....Kya mai sir ko follow krke neet me best score kr skti hu...?
I have a doubt sir you said that it is not necessary that black body always should be black in colour... Let's consider that it is red in colour it means it absorbed all colour expect red 🔴 am I write or not??? It means it did not absorb red colour so it is not perfect absorber how can it be a black body when it does not absorb all radiation??????????
This question is for all students
Let's discussed about it in comment 💬
👇🏻👇🏻👇🏻👇🏻👇🏻🤔🤔🤔🤔🤔
Jane de/ do nai ayega jee ya neet mai ye q
Kirchoff low pdho ek baar fir se smjh aa jayega
E1/a1=E2/a2
BTW IS THIS LAST LECTURE OF CHAPTER
@@neetaisprintno
40:42 Got the topic fully, your videos are very helpful and superior ♥️ no matter what the quality of video is teaching skill is important that you have very well
31:58 best thing about this great man is his humbleness even after his popularity and love from everyone
Sir mene aaj ka lecture school 🎒📚 se chutti lekar complete kar liya 👍
Aur dopahar ko ek aur lecture dekh lunga and raat ko last lecture dekh lunga fir mera aaj aye chapter complete ho jayega. 🙏
Best is 4pm se 7pm me poora chapter khatam
Sir convection bhi krao humble request sir please ....🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻
It is not that important
Sir has covered almost all the topics in this chapter
Are woh to ek bar read kar lo aa jayega
Sir convection pe vidio
in an isothermal closure, is it really necessary to polish the inside as black? i mean now the radiation is not escaping so the colour should not matter right? although i agree that it might be because black absorbs the most radiation.
Nice question 😶
Send this question to HC verma sir , he will surely answer
@@anjaninandantiwari6963 just emailed him although i'm not expecting a reply haha
Sir saying try to watch this lecture all at once
Me:- Watching 6th lecture in a row 💀💀
LEGENS WATCHING IN 2023 🤣
Best scene 27:27..... I saw it 5 times repeatedly 😂😂😂🤣🤣eeeeee dhoom..😂😂🤣😃Best Sir, HE MAKES LECTURES REALLY INTERESTING..
HIT LIKE👇👍 WHO TOO SAW THIS SCENE REPEATEDLY
After reading this comment 😂😂😂
Sir, can we say black hole is a ideal black body?
I have the same question.
Wow such a nice formula 12:58
Q=EAT 😋..
Abhi 2023 me kon kon ye lacture dekh raha hai or physics ka feel le raha hai❤❤
45:00 sir u said black body has 0 reflection.. Then how can it reflect as u show?
It is not an ideal black body.. we are trying to prepare a black body there. So, some small amount of reflection is possible bcz it is not an ideal one.
Sir it's a request k aap correct ans comment me likh Diya Karo 🙏
Same .......I wanted to say
@@priyanshisingh5858 me also
@@priyanshisingh5858 try with out options helps for aiims exam
Feel se numericals Karo,Ratne se Kam thori hoga
Yes sir... Plzz...
37:20 bb ki vines😁😅
👌but moder pw is sociology professor at university of three years old
Legends who are watching for jee mains 2021 4th attempt 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
Sir please make a video on graph questions
I face problems in graph questions in general
What should i do
very few teachers I appreciate and you are one of those 2
~-words from your admirer
Kabhi Kabhi to lgta h aap hi bhagwaan hai 🙏
Nahi bhai
how many of you are asuming sir's sweater to be BLACK and suddenly you realise it's dark GREEN
30:20 Narolac........ 🤣