8.02x - Lect 13 - Moving charges in B-fields, Cyclotrons, Mass Spectrometers, LHC

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  • เผยแพร่เมื่อ 21 พ.ย. 2024

ความคิดเห็น • 442

  • @arpankhandelwal7082
    @arpankhandelwal7082 5 ปีที่แล้ว +177

    Dear Dr. Lewin,
    Due to these lectures I have finally achieved my dream of becoming a plasma physicist. I just finished my internship at the french tokamak and at ITER and now I am applying for a Phd. You are one among some of the people who transformed my life and I thank you with all my heart.

  • @swetaroy6043
    @swetaroy6043 6 ปีที่แล้ว +134

    Edupoint suggested me to see ur lecture ..so I came here...really ur explanation is amazing..like it ....love frm India ❤❤❤

  • @jamesdufour2588
    @jamesdufour2588 9 ปีที่แล้ว +69

    Dr. Lewin,
    Thank you so much for putting these lecture videos together. You are an inspiration to young physicists the world over. At least you are to me, sir.

  • @lecturesbywalterlewin.they9259
    @lecturesbywalterlewin.they9259  9 ปีที่แล้ว +126

    This website contains all my 94 course lectures (8.01, 8.02 and 8.03) with improved resolution. They also include all my homework problem sets, my exams and the solutions. Also included are lecture notes and 143 short videos in which I discuss basic problems.
    ENJOY!

    • @Dhani_isthe
      @Dhani_isthe 8 ปีที่แล้ว +3

      +Lectures by Walter Lewin. They will make you ♥ Physics.
      Professor Lewin, I never liked the way my school teachers taught me. I've always believed in self studies. Which made me believe that I have a certain potential in the field of research.
      After I've come across your lectures, I believe you are the right person who can guide me comfortably to this.
      It is a great feeling. :)

    • @Dhani_isthe
      @Dhani_isthe 8 ปีที่แล้ว

      +Lectures by Walter Lewin. They will make you ♥ Physics.
      Your work is a piece of Art.

    • @oscarcisneros6903
      @oscarcisneros6903 7 ปีที่แล้ว +1

      Physics is not an easy to understand topic, but you manage to make it fun and understandable. Watching your lectures have made a huge difference and helped me work my way through my year of physics! Thank you, you are one of the best instructors I have come across!

    • @inspirationlbeast
      @inspirationlbeast 6 ปีที่แล้ว

      Lectures by Walter Lewin. They will make you ♥ Physics.

    • @tablit2603
      @tablit2603 6 ปีที่แล้ว

      All my respect prof.

  • @theunknownscientist3249
    @theunknownscientist3249 4 ปีที่แล้ว +13

    I gotta admit it, these lectures are just a golden ore of information, they helped me understand more things then I could do on my own in 2 years. Also, they are the embodiment of how physics should be done.

    • @brendawilliams8062
      @brendawilliams8062 2 ปีที่แล้ว

      Yes. It’s good to know that 31251 says that cosmology can count on their eyes

  • @toothless8965
    @toothless8965 7 ปีที่แล้ว +3

    Sir you are THE BEST TEACHER I've ever seen. Nobody ever will be able to teach physics like you.

  • @timtaler2435
    @timtaler2435 4 ปีที่แล้ว +4

    I wish I would have had such brilliant teachers when I did my physics courses at university. Thank you very much to open up your lectures on this platform to a wide audience.

  • @tylerrussell7560
    @tylerrussell7560 6 ปีที่แล้ว +6

    Your lectures are amazing! I've been self-studying (won't be in college until fall) and your lectures are truly inspiring. Lately I've gotten where I want to actually *see* the physics I'm learning about, and not just all the equations (although I do love the math behind it) and your lectures satisfy that need perfectly! I plan on pursuing a doctorate in physics (even though it's way down the road), and I hope I can become even half as good as you in inspiring students!

  • @Erish_7
    @Erish_7 2 ปีที่แล้ว +2

    This is not a lecture Its a Masterpiece , sir it your best lecture ive seen thank you from the bottom of my heart

  • @anshuljayaswal4645
    @anshuljayaswal4645 4 ปีที่แล้ว +11

    8:11 when he said special relativity....i thought he is not going to explain it but when he said that he'll touch upon that topic i was like -"thank god....for the least there is someone who thinks out of the course"!... great job sir!

  • @obayev
    @obayev 3 ปีที่แล้ว +4

    Cloud chambers are so fascinating, as well as the explanations given by the genius Dr Lewin!

  • @sujeetiitd
    @sujeetiitd 7 ปีที่แล้ว +6

    I started craving for the lectures, ever since I got started... I can't help sneaking though a couple of those even during office hours... :)

  • @hafsahashraf615
    @hafsahashraf615 3 ปีที่แล้ว +3

    I wish I could have live lectures from you. You are my inspiration sir after listening to your lectures I decided to study physics. I have no words to say about your lectures. Your lectures are gift from God. Respect from Pakistan.

  • @MrAyangan
    @MrAyangan 9 ปีที่แล้ว +28

    The last part was mesmerising Professor! Thank you so much for your lectures :)

  • @arnab94mallick
    @arnab94mallick 9 ปีที่แล้ว +13

    You are the best physics professor I have ever seen...

  • @dev.regotube
    @dev.regotube 4 ปีที่แล้ว

    Watching this because my physics lectures are online and they are boring without experiments. I love that you do them in every single lectures. Thanks, Professor!

  • @yungifez
    @yungifez 3 ปีที่แล้ว +1

    My teacher always marvels at my knowledge in the topics
    I wish I found this earlier
    Thank you and love from Nigeria

  • @mrpotatohed4
    @mrpotatohed4 4 ปีที่แล้ว +2

    This lecture really hit some emotional heartstrings for physics inside of me. I really appreciate this.

  • @priyasehgalinfj
    @priyasehgalinfj 5 ปีที่แล้ว +17

    Wooow sir! This is literally the best physics video I have ever seen and this increased my respect to the beauty of physics 💙💚💜.. Thanks a lot sir.. Wishing you good health

  • @srishtiparihar960
    @srishtiparihar960 7 ปีที่แล้ว +2

    thank you very much sir ,
    I found physics little difficult but when I come to your lectures it became very easy for me .
    really sir you are the best physics teacher who clears the concepts so clearly & nicely,
    thank you very very much .
    sir you are an amazing personality.
    hats off to you

  • @InventTwig
    @InventTwig 9 ปีที่แล้ว +59

    Professeur Lewin's Amazing Dialogue 32:53 ; Absolute Class !! "Let's Go back to 2002 :D "

  • @vinayak3751
    @vinayak3751 10 หลายเดือนก่อน

    can’t believe this was filmed in 2002, this is a timeless piece of art.

  • @mohitkumaragarwal4802
    @mohitkumaragarwal4802 3 ปีที่แล้ว +2

    Sir your lectures are extremely incredible and it make me to learn physics more deeply

  • @saranraj434
    @saranraj434 3 ปีที่แล้ว

    Dear Professor,
    Ever since I started watching your lectures I have developed the habit of looking through equations. It has created a tremendous development in the way I think and teach physics. I request you to make dedicated lectures in theory of relativity.
    Love from Chennai( India)

  • @ronitmandal7301
    @ronitmandal7301 7 ปีที่แล้ว +55

    Cyclotron at 20:50 (for my reference)

  • @aniketkarna
    @aniketkarna 8 ปีที่แล้ว +5

    i get confidence for exams after watching your lectures...thank u very much!!

  • @symoumsyfullahpriyo6247
    @symoumsyfullahpriyo6247 8 หลายเดือนก่อน

    That's really a new world to naive ones like me.
    These lectures of Prof. Lewin from 2002 are still magnificent in 2024.❤

  • @Cscuile
    @Cscuile 4 ปีที่แล้ว

    The "Flashforward" was amazing. Thanks for that! It gives Physics a sense of exploration and discovery, quite an awesome feeling.

  • @RADIATION_BLUE
    @RADIATION_BLUE 3 ปีที่แล้ว +1

    Hello sir 🙂 I'm from India 🇮🇳😀
    TodayI studied it in my physics book 📖🙃🙂and curiosity brought me here..!!!!
    Love from deep of my heart ❤and from India

  • @radhikasrivastava1145
    @radhikasrivastava1145 5 ปีที่แล้ว

    Hello sir I am from India , after watching this lecture and many more i have really now started looking beyond equation ..really love the way you teach physics ...!!!

  • @mr.shivaaysingh333
    @mr.shivaaysingh333 3 ปีที่แล้ว +2

    Your explanation is outstanding... Thanks to you and edupoint !!!!!!

  • @harishkumarstudies50
    @harishkumarstudies50 3 ปีที่แล้ว +1

    This helped me a real lot sir this course makes me potential that i can crack my neet exam luv from TAMILNADU💜 INDIA

  • @bibeksaha5204
    @bibeksaha5204 4 ปีที่แล้ว

    Sir, You are just too amazing
    You made physics more adorable than it was before for me .
    You are such an inspiration to the youths .lots of love to you sir ..god bless you ♥️

  • @ankur5648
    @ankur5648 5 ปีที่แล้ว +7

    I wish i had a physics professor like him in my school 😪

  • @sahilpant1803
    @sahilpant1803 7 ปีที่แล้ว +2

    I live in India I am 17 years old studying in 12th standard it helped me a lot to prepare me for my board exams thanks after my school I definitely be going to be an engineer and I hope soon I will come to USA as they teachers like him to teach us.

  • @rupadarshisamanta3288
    @rupadarshisamanta3288 4 ปีที่แล้ว

    Like love and respect from India professor. From my opinion you deserve NOBEL PRIZE.

  • @RashmiRawat-uw5gl
    @RashmiRawat-uw5gl 4 หลายเดือนก่อน

    I am a jee aspirant and your lectures really make it easy for me to understand the concepts
    Thank you sir.

  • @muneebbhat1426
    @muneebbhat1426 6 ปีที่แล้ว

    All i can say for prof. Walter lewin is thank u sir. Everytime when i used to get bored in my classroom i always miss some lectures but i didnt have any tension because i have Prof Lewin with me. Thank u sir.

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  6 ปีที่แล้ว

      :)

    • @muneebbhat1426
      @muneebbhat1426 6 ปีที่แล้ว

      Sir i need ur study material. Is there any way of getting that.

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  6 ปีที่แล้ว

      lecture notes are attached as pdf files below the video thumb nails.
      Physics
      Hans C. Ohanian
      2nd edition
      W.W. Norton & Company
      ISBN 0-393-95748-9
      8.02
      Physics for Scientists & Engineers by Douglas C. Giancoli.
      Prentice Hall
      Third Edition
      ISBN 0-13-021517-18
      8.03
      Vibrations and Waves by
      Anthony French
      CRC Press
      ISBN 9780748744473
      8.03
      Electromagnetic Vibrations, Waves and Radiation
      by Bekefi and Barrett.
      The MIT Press
      ISBN 0-262-52047-8

    • @muneebbhat1426
      @muneebbhat1426 6 ปีที่แล้ว

      Lectures by Walter Lewin. They will make you ♥ Physics. Can i have your email. I have a question regarding cyclotron.

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  6 ปีที่แล้ว

      15 thousand viewers have asked for my email during the past 3 years. It's strictly private. You can ask your question here on my TH-cam channel.

  • @amalsrivastava6853
    @amalsrivastava6853 4 ปีที่แล้ว

    33.02 can't miss. Its old news now. But for him to add that is truly a gold of a gesture

  • @amitchoudhary1349
    @amitchoudhary1349 4 ปีที่แล้ว +1

    Really appreciated lectures by you sir 😄
    You really made me to love 😍😍 with PHYSICS. Im from INDIA,i too have shared your lectures to my couple of friends. My love 😍 to you and your physics from INDIA.

  • @anjaneyamohapatra9124
    @anjaneyamohapatra9124 4 ปีที่แล้ว +1

    For the love of physics💕
    Absolutely excellent lecture that cleared all my doubts...
    Loads of 💕 from India...

  • @tevarswamibaskaran4812
    @tevarswamibaskaran4812 7 ปีที่แล้ว +2

    Thank you sir. it is really enjoyable. here I can study and at the same time can verify experimentally ,
    again thank you very much sir for your contribution for students and physics.

  • @Vibhorkalusamaj
    @Vibhorkalusamaj 3 ปีที่แล้ว +1

    By your lecture I can understand nature now more easily sir ur lectures help me alot in my journey to understand this nature
    🙏🙏🙏

  • @abhi_kills2390
    @abhi_kills2390 7 ปีที่แล้ว +3

    loved it..such a great mix of qualitative and quantitative physics..

  • @tenzindorjee7689
    @tenzindorjee7689 3 ปีที่แล้ว

    Beautiful with practicality I your explanation makes my mind think beyond the boundaries 🎉 thank you so much for this wonderful lecture sir🙏 love from Tibet

  • @Debg91
    @Debg91 5 ปีที่แล้ว +1

    It's always interesting to compare the predictions made in the past with the actual progression of events.

  • @jannesvanquaillie9151
    @jannesvanquaillie9151 4 ปีที่แล้ว +1

    Thank you so much for helping me understand.
    Nice to know there are still some good teachers

  • @thunderbarsstudio
    @thunderbarsstudio 3 ปีที่แล้ว

    I will be happy if you come and teach physics in our school in India
    Because your videos motivating me to learn Physics
    -Student of Walter Lewin sir from India🇮🇳

  • @kalyanasishdas762
    @kalyanasishdas762 4 ปีที่แล้ว

    Ur lectures are best on TH-cam love from India

  • @ashishanand4693
    @ashishanand4693 7 ปีที่แล้ว

    certainly the best person on physics explanation is you.
    I tried for mit to explore the world range of physics but the present US policy for forgein student really doesn't seems to be inviting us.
    so, with all due respects i would like to ask for the links to connect all lectures given by you.
    sir, without a doubt.

  • @studywithjosh5109
    @studywithjosh5109 4 ปีที่แล้ว

    The final Demonstration is mind blowing. We were looking at actual radiation. Real particles. My mind is blown.

  • @ahappyimago
    @ahappyimago 5 ปีที่แล้ว +1

    This is beautiful. I studied philosophy at UCLA and now almost 10 years later I’m learning physics. This lecture series is perfect because you throughly explain the theory and almost more importantly make it real with demonstrations. It’s kind of sad that with all this knowledge (free MIT lectures) general knowledge seems to be regressing into a world of conspiracy theories and nonsense. I do think the traditional lecture format, as powerful as it is, will soon be replaced by other forms of teaching like the channel Physics by Eugene... anyway, for now a proper lecture series hits the spot for me :)

  • @varuntyagi7698
    @varuntyagi7698 2 ปีที่แล้ว

    Nice professor...love from India 🇮🇳 👌 👍

  • @coolstar7819
    @coolstar7819 10 หลายเดือนก่อน

    Wow! Thank you so much, a very amazing and informative lecture! I enjoyed peeking into the new world sir 🙏💖

  • @SanjayPandit-sc9xx
    @SanjayPandit-sc9xx 6 หลายเดือนก่อน

    Sir big fan of you.Thank you sir for this lecture. Love from India.

  • @ThePhysicsGuru
    @ThePhysicsGuru 2 ปีที่แล้ว

    I love your all lectures sir. I learn a lot from you.

  • @BroadeningHorizonsos
    @BroadeningHorizonsos 8 ปีที่แล้ว +8

    I finally understand your dotted line secret

  • @prabhunantha3080
    @prabhunantha3080 8 ปีที่แล้ว

    Very Productive and Interesting lectures,These were very helpful to me.

  • @harishkumarstudies50
    @harishkumarstudies50 3 ปีที่แล้ว +1

    This is from 2002 ? I cant belive it still gold💜

  • @asmaarab453
    @asmaarab453 4 ปีที่แล้ว

    Thank you so much sir for this amazing lecture. I am preparing for a competitive exam and I am facing difficulties in solving numericals. But now after watching your lectures I am able to solve numericals and I really fall in love ❤ with Physics and this all is possible just because of you. I am going to watch your all lectures.
    Love ❤from INDIA 🇮🇳🇮🇳

  • @first_sumit
    @first_sumit 4 ปีที่แล้ว +1

    I really wish I could meet you. You are amazing sir! ☺️❤️

  • @Suseenthar1
    @Suseenthar1 6 ปีที่แล้ว +2

    Thank you for your lecture sir. Great. Can you list out few of your favourite physics books?

  • @AshrafAli-tm2pg
    @AshrafAli-tm2pg 4 ปีที่แล้ว

    I would like to thanks for your incredible work for entire world!

  • @TheBrave22
    @TheBrave22 3 ปีที่แล้ว +1

    Nice lecture sir ,love 💕 from India🇳🇪

  • @VladimirDjokic
    @VladimirDjokic 2 ปีที่แล้ว +1

    thank you profesor for this wonderful lecture !

  • @wondering_ghost688
    @wondering_ghost688 6 หลายเดือนก่อน +1

    1:30 lecture starts❤

  • @malvikapangavoor1471
    @malvikapangavoor1471 2 ปีที่แล้ว

    Thank you so much Sir. I understood the concept much better here.

  • @russellhamner4898
    @russellhamner4898 2 ปีที่แล้ว

    This lecture was great, thank you. And I always love cloud chamber demonstrations! [golf clap]

  • @mattheoswho1010
    @mattheoswho1010 6 ปีที่แล้ว +2

    That time traveling scene was so cool!!!

  • @pranjalsingh1555
    @pranjalsingh1555 3 ปีที่แล้ว

    best lecture,i have ever seen

  • @ian6083
    @ian6083 2 ปีที่แล้ว

    Another amazing lecture! I always learn something new!

  • @callmechris345
    @callmechris345 6 ปีที่แล้ว +2

    As a highschool student, i only needed the part with the cyclotron. But still, it was very helpful

  • @studywithjosh5109
    @studywithjosh5109 4 ปีที่แล้ว +1

    This lecture was in the same year I was born. Crazy

  • @Baktiar_238
    @Baktiar_238 ปีที่แล้ว

    thank you so much sir, for this lectures specially the cyclotron part was quiet interesting.....

  • @GoogleUser-ee8ro
    @GoogleUser-ee8ro 3 หลายเดือนก่อน

    "Let's Go back to 2002" - watching it in 2024. Prof Lewin should give us an update on the latest development of physics on youtube

  • @rachitdeshpande1689
    @rachitdeshpande1689 5 ปีที่แล้ว +1

    Love from INDIA sir....

  • @turokg1578
    @turokg1578 ปีที่แล้ว

    haha was great to see an edit for LHC. great lecture as usual.

  • @gayatridevirapeti8439
    @gayatridevirapeti8439 7 ปีที่แล้ว +2

    sir, I found it why you put different badges on the right of your shirt : to assure more concentration on your interesting lectures than on those badges

  • @andx79
    @andx79 6 ปีที่แล้ว

    how am i be 13 lectures in and only watching because i want to know more? i feel like my understanding of the world has gotten deeper and i love it. i think i might need to change my career. ha

  • @c.saiganesh5791
    @c.saiganesh5791 8 ปีที่แล้ว +4

    has he ever covered thermodynamics in his lectures ?

  • @Captain_Lu
    @Captain_Lu 7 ปีที่แล้ว +1

    By the way: Mass Spectrometers are also used for DNA-tests.

    • @tatianaazarchenko7066
      @tatianaazarchenko7066 2 ปีที่แล้ว

      It's incredible how easily American citizens say this: "Atomic bombs were dropped on two cities and the second world war was over". When I heard this for the first time from my American teacher of English I was shocked... Still shocked hearing this from the professor. Something is wrong with this world if so brilliant and knowledgeable people can be at ease with such diabolic action.

  • @VibhaMasti
    @VibhaMasti 6 ปีที่แล้ว +1

    Regarding the cyclotron, I'm confused about how the protons can enter and exit the dees, seeing as they are made of metal conductors. How do protons enter and exit a solid?

  • @thanaychetan1379
    @thanaychetan1379 7 ปีที่แล้ว +2

    Sir why do charge particles experience force at all from magnetic field.Is it a fundamental property of magnetic field?😁😁😁too fundamental question but plzzzz ans

  • @sandeeppatidar1106
    @sandeeppatidar1106 7 หลายเดือนก่อน

    Very intuitive lecture

  • @InventTwig
    @InventTwig 9 ปีที่แล้ว +5

    Professor Lewin ; an offbeat question.. what's written on your badge ? also ive noticed that in every lecture you wear a unique badge , why do you wear them ? I like your style :D

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  9 ปีที่แล้ว +6

      InventTwig I have about 50 broaches and I almost always wear one during my lectures for freshmen. They like it and so do I.

    • @aparnabhave3550
      @aparnabhave3550 7 ปีที่แล้ว +2

      Lectures by Walter Lewin. They will make you ♥ Physics. They are all food related i think. I saw a coffee cup, an egg omelet also a cookie etc

  • @ankitsoni9275
    @ankitsoni9275 3 ปีที่แล้ว +1

    Thanku❤️

  • @PymGordonArthur
    @PymGordonArthur 4 ปีที่แล้ว

    Great lecture as always.

  • @ahmadeldesokey9844
    @ahmadeldesokey9844 5 ปีที่แล้ว

    My favourit lecture .

  • @anuragshukla278
    @anuragshukla278 6 ปีที่แล้ว +3

    Sir! Please provide a link to download physics notes.

  • @kalvenbonin920
    @kalvenbonin920 6 ปีที่แล้ว

    wow I was just at Fermilab and I saw this in the video. Some quite amazing discoveries (including the Higgs Boson) since this video was made!

    • @kalvenbonin920
      @kalvenbonin920 6 ปีที่แล้ว

      Also were you talking about the Fermilab experiment that discovered the top quark?

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  6 ปีที่แล้ว

      Great that you were there! >>>>the Fermilab experiment that discovered the top quark?>>> yup! The Higgs was discovered by the LHC.

  • @geraltrivia3796
    @geraltrivia3796 6 ปีที่แล้ว

    The lecture goes hard from the cloud chamber

  • @justalazyguy.0_0
    @justalazyguy.0_0 2 ปีที่แล้ว

    That last five minutes was beautiful as you will say sir physics is romantic

  • @anandapatmanabhansu
    @anandapatmanabhansu 2 ปีที่แล้ว

    Love from india sir♥

  • @Deepak_Rathore0
    @Deepak_Rathore0 3 ปีที่แล้ว +2

    I was even not born when this lecture was shooted

  • @ayushpanda7537
    @ayushpanda7537 3 ปีที่แล้ว

    Love from India......

  • @faridahmed3152
    @faridahmed3152 7 ปีที่แล้ว

    Dr. Lewin thank you so much for uploading the videos and making physics interesting .Professor can you please upload any video on linear particle accelerator and synchrotron like cyclotron ? thanks once again .

  • @supravobiswas
    @supravobiswas 3 ปีที่แล้ว

    Why fear when Sir Lewin is here

  • @hopesalive5424
    @hopesalive5424 4 ปีที่แล้ว +1

    Sir, i fall ❤️ in physics ,i want to come MIT.
    Love from india

    • @tushar8983
      @tushar8983 4 ปีที่แล้ว

      U have to get upto AIR 10 in Jee Advance for admission in MIT🙂
      All the best for that😊

  • @trinhquanghung8406
    @trinhquanghung8406 8 ปีที่แล้ว +2

    Dear Professor,
    What is the trajectory of a proton moving across the B field with an increasing velocity v=vo+at?

  • @shajeelaselvadhas1616
    @shajeelaselvadhas1616 7 ปีที่แล้ว +5

    Sir ,why isnt the proton moving in a loop when they are outside the dees.please tell

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  7 ปีที่แล้ว +3

      B has to be increased as the proton emerges from the gap in which it is accelerated. If the B field goes to zero during the short time that they spend in the gap, then the protons will cross over in a straight line. Ask google what the B-field is when the protons are in the gap.

    • @shajeelaselvadhas1616
      @shajeelaselvadhas1616 7 ปีที่แล้ว

      Lectures by Walter Lewin. They will make you ♥ Physics. so you are telling me that once it is out of the dees .magnetic field is made zero?

    • @lecturesbywalterlewin.they9259
      @lecturesbywalterlewin.they9259  7 ปีที่แล้ว +1

      I DID NOT tell you that. Read my answer again.
      I wrote >>> If the B field goes to zero during the short time that they spend in the gap,>>>
      When the protons have reached their maximum energy they can be tunneled to a target. Of course, there would be NO B-field in that tunnel. In most cases, the target is inside the cyclotron, in which case there is no tunnel. - ask google.

    • @shajeelaselvadhas1616
      @shajeelaselvadhas1616 7 ปีที่แล้ว

      Lectures by Walter Lewin. They will make you ♥ Physics. Thank you sir for your valuable time .Lots of love from india(bangalore)