RESOLVED 17 PHYSICS VIDEO | WHICH SURFACE TENSION IS IT IN CAPILLARY RISE FORMULA? | JEE ADVANCED

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  • เผยแพร่เมื่อ 24 ธ.ค. 2024

ความคิดเห็น • 111

  • @seediscute
    @seediscute หลายเดือนก่อน +1

    Sir i can't even express how grateful i am for this surface tension series, like this video had exactly all the points i was confused in, all my doubts, everything cleared!! I spent hours thinking on them and wrote all my problems on a sheet with examples thinking i would ask my coaching sir and when i tried to ask he said leave it its my doubt too
    I was so disappointed but now im literally so happy

  • @clashroyaler7911
    @clashroyaler7911 4 ปีที่แล้ว +7

    Sir please continue this series and don't end it it will be our responsibility to spread word for this channel 🙏🙏🙏🙏🙏✍️✍️✍️✍️

  • @anishtakshak6515
    @anishtakshak6515 7 หลายเดือนก่อน

    Thank you sirji 😊❤. Sir I am glad that I found your channel, I will always support you 🙃

  • @PHYSICSSIRJEE
    @PHYSICSSIRJEE  4 ปีที่แล้ว +5

    Try the RESOLVED series next video given at the end of the video and comment your integer answer here below👇
    Also visit the surface tension series playlist here to clarify your doubts 👇
    th-cam.com/play/PLtzNDt-x8_02O5K_5QwtMLJhCVPTuwiwM.html
    Here's the RESOLVED series playlist 👇
    th-cam.com/play/PLtzNDt-x8_00MMJNOziEtx7ztBgfI48Lo.html
    EDIT:
    My explanation to one of the doubts in comments below about surface tension at liq-solid interface using force analysis
    It is basically at JEE level understood by using surface energy analysis . Force analysis is difficult.
    Interfacial tension at any pair of surfaces , even solid-gas also, is originated due to unequal existence of cohesive force felt by surface molecules of one Phase of matter . For a fundamental understanding of why the force is drawn parallel to surface , you may read this 👇
    www.utwente.nl/en/tnw/pcf/education/j.m.burgerscentrum_research_school_for_fluid_mechanics/Articles/jacco_snoeijer/SnoeijerAJP_preprint.pdf
    YOU MAY ALSO FIND THE ACTUAL COMMENT WHICH WAS PINNED

  • @JEE-zm3sh
    @JEE-zm3sh 8 หลายเดือนก่อน

    Woah exactly what was bugging me for two whole days! Thanks a lot sir
    Why don't books discuss such vital fundamentals😢

  • @mansisethi8127
    @mansisethi8127 2 ปีที่แล้ว

    Pure gold content ! Thank you sir !

  • @simisimi9362
    @simisimi9362 ปีที่แล้ว

    Thank you soo much sir. I got to learn a lot of things from this video 🙌🙌

  • @neerujat1978
    @neerujat1978 2 ปีที่แล้ว

    Thank you so much sir

  • @simplephysics104
    @simplephysics104 3 ปีที่แล้ว

    I will be grateful to you sirji...

  • @ankitsoni9275
    @ankitsoni9275 3 ปีที่แล้ว +1

    Thanks ❤️

  • @kishan_kashyap21
    @kishan_kashyap21 3 ปีที่แล้ว

    Such a beautifull concept❤️🙏

  • @rushikesh_nale07
    @rushikesh_nale07 3 ปีที่แล้ว

    This question appeared in GTAs! Loved it!💙👌

  • @as.if_0077
    @as.if_0077 3 ปีที่แล้ว

    Loved it so much

  • @goodlessons529
    @goodlessons529 4 ปีที่แล้ว

    Thanks a lot Sirjee😊

  • @dhaval_01
    @dhaval_01 2 ปีที่แล้ว

    Thanks sir for very indepth explanation

  • @saurabhshukla2076
    @saurabhshukla2076 3 ปีที่แล้ว +1

    🔥🔥🔥🔥🔥🔥

  • @yatharthgupta6468
    @yatharthgupta6468 3 ปีที่แล้ว

    Loved it❤️

  • @anmoldeepsingh9281
    @anmoldeepsingh9281 4 ปีที่แล้ว +17

    Sir I have a very basic doubt, how would you explain surface tension at solid-gas interface and its interaction with the liquid free surface.

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +10

      It is basically at JEE level understood by using surface energy analysis . Force analysis is difficult.
      Interfacial tension at any pair of surfaces , even solid-gas also, is originated due to unequal existence of cohesive force felt by surface molecules of one Phase of matter . For a fundamental understanding of why the force is drawn parallel to surface , you may read this 👇
      www.utwente.nl/en/tnw/pcf/education/j.m.burgerscentrum_research_school_for_fluid_mechanics/Articles/jacco_snoeijer/SnoeijerAJP_preprint.pdf

    • @anmoldeepsingh9281
      @anmoldeepsingh9281 4 ปีที่แล้ว +3

      @@PHYSICSSIRJEE Thank you so much sir for the quick reply. God bless this channel

    • @korigamik
      @korigamik 3 ปีที่แล้ว +2

      @@PHYSICSSIRJEE it took me so long to find this comment.

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  3 ปีที่แล้ว +5

      @@korigamik I pinned the doubt comment for others . Thanks for pointing out 🙂

    • @sakshijha06
      @sakshijha06 ปีที่แล้ว

      ​@@PHYSICSSIRJEE sir the link is not working

  • @Prashant-fh6px
    @Prashant-fh6px 4 ปีที่แล้ว

    Thank ❤😊🌹🌹🌹 you for awesome concept s and knowledge

  • @parazite8960
    @parazite8960 4 ปีที่แล้ว

    Good one sir.

  • @dzgesty997
    @dzgesty997 3 ปีที่แล้ว

    Sir, Thank you so much 🙏😃
    You've cleared so many of my doubts

  • @kirkhammett5072
    @kirkhammett5072 3 ปีที่แล้ว +1

    Thank you sir, I was having a lot of conceptual doubts related to surface tension and after watching all your videos on this topic, I'm stunned to see the amount of clarity you have!!!!
    Brilliant sir🙏🙏 and thank you again ☺️

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  3 ปีที่แล้ว +1

      Thank you ☺️, keep watching 👍

  • @SHAKTISINGH-cg9es
    @SHAKTISINGH-cg9es 3 ปีที่แล้ว

    thank you sir .. nice explanation :)❤❤💚

  • @aryansudan2239
    @aryansudan2239 2 ปีที่แล้ว

    revised
    thank you sir

  • @shraddhapathak187
    @shraddhapathak187 3 ปีที่แล้ว +2

    Sir , in this problem at time stamp 5:34, is the all three surface tension T(lg), T(ls), T (sg) act on liquid, I mean how T(sg) acts on liquid

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  3 ปีที่แล้ว

      That element is three phase matter element and not just liquid

    • @shraddhapathak187
      @shraddhapathak187 3 ปีที่แล้ว

      @@PHYSICSSIRJEE sir,
      what is meaning of 3 phase matter element here.

  • @masoomladka5646
    @masoomladka5646 4 ปีที่แล้ว +1

    Sir please bringing these😇😇😇😇😊😊😊

  • @mhrshah
    @mhrshah 4 ปีที่แล้ว +1

    Nice problem sir
    Pls upload next video of optics problem related to asked in 2020 JEE ADV.

  • @ayankar6306
    @ayankar6306 4 ปีที่แล้ว +2

    🔥🔥🔥🔥🔥🔥🔥😁

  • @chakradhar5884
    @chakradhar5884 3 ปีที่แล้ว

    physics is very beautiful

  • @sohansingh2022
    @sohansingh2022 2 ปีที่แล้ว +1

    Sir suppose instead of straight capillary tube we consider frustum type tube open at both ends then FBD of liquid in slanted surface, contact angle will be the angle between tangent at the surface to slanted capillary surface. Am i right? Radius of curvature diagram is messed up. Help 🙏

  • @swagatasubuddhi1907
    @swagatasubuddhi1907 4 ปีที่แล้ว

    thanks a lot sir!!!!!!correctly it is named as it totally resolves few conceptual mistakes ....thanks again sir as i have some doubt regarding capilaries ......now this helps a lot thanks sir..........waiting for more beautiful explanations

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว

      Thank you 👍. Please kindly share it in your students groups (telegram and whatsapp) and help me reach more students 🙏

    • @swagatasubuddhi1907
      @swagatasubuddhi1907 4 ปีที่แล้ว +2

      @@PHYSICSSIRJEE sure sir.......

  • @AyushRajput-xw2ru
    @AyushRajput-xw2ru หลายเดือนก่อน

    Sir is the answer at 14:12 is "8" ?

  • @afzal1104
    @afzal1104 2 ปีที่แล้ว

    Sir, at 6:35, you have written the equation by balancing forces of surface tension on a dl element, in the horizontal direction. That is fine.
    But could you also explain how forces on the dl element would be balanced in the vertical direction as well (as i see an issue there)?

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  2 ปีที่แล้ว +2

      You may watch the explanation for vertical balance in my other surface tension video here👇🏼
      th-cam.com/video/kyZBfOI1cVs/w-d-xo.html
      Or you may go through the pdf of a published paper I shared in the pinned comment

    • @afzal1104
      @afzal1104 2 ปีที่แล้ว

      ​@@PHYSICSSIRJEE www.utwente.nl/en/tnw/pcf/education/j.m.burgerscentrum_research_school_for_fluid_mechanics/Articles/jacco_snoeijer/SnoeijerAJP_preprint.pdf
      sir, i found this link, but it ain't working. shows some 404 error.

  • @jgchaudhary1035
    @jgchaudhary1035 3 ปีที่แล้ว

    😎😍

  • @abhinavbhatt7952
    @abhinavbhatt7952 3 ปีที่แล้ว

    Great video sir.also the 2020 question as well. Sir my question was that can why do we consider tsg because we say that surface tension is a property of liquids

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  3 ปีที่แล้ว

      Surface tension is a property of two different materials in contact. Liquid is one of the possibility

    • @abhinavbhatt7952
      @abhinavbhatt7952 3 ปีที่แล้ว

      @@PHYSICSSIRJEE sir thank you for resolving the doubt.

    • @abhinavbhatt7952
      @abhinavbhatt7952 3 ปีที่แล้ว

      Sorry sir I had one more query that the Newton’s third law acts on a pair but here we talked about the same liquid

  • @goural5256
    @goural5256 4 ปีที่แล้ว +1

    sir, ans is x=8...? for int type...

  • @ponnapu
    @ponnapu 4 ปีที่แล้ว +4

    this was the the the best video on surface tension i have ever watched cleared many many doubt sir thank u so much,
    sir i have a very small doubt as we learn in surface tension that the angle of contact for a given interface is a constant property sir but again we tend to say the when a capillary tube of insufficient length is used the angle of contact changes then what exactly are the angle of contacts tabulated for a given surface mentioned in many jee oriented books

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +1

      For insufficient tube , solid is not on both sides. Watch my explanation for JEE advanced 2019 Problem

    • @ponnapu
      @ponnapu 4 ปีที่แล้ว

      @@PHYSICSSIRJEE sir i didnt get you what do you mean by solid on both sides

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +1

      @@ponnapu watch the video . To the small dl element solid is on liquid side but not on gas side in insufficient length case

  • @indrakumartak9865
    @indrakumartak9865 3 ปีที่แล้ว

    Sir, one doubt. Is the component T(LG)sin(theta)=horizontal component of pressure force?

  • @tanveersharma2793
    @tanveersharma2793 4 ปีที่แล้ว

    🙏🔥

  • @sagatabhadra1027
    @sagatabhadra1027 3 ปีที่แล้ว

    14:25 Is the answer comming out to be x= 8 ?

  • @tanveersharma2793
    @tanveersharma2793 4 ปีที่แล้ว +2

    Ncert exemplar chapter 1 electrostatic question 1.26
    Please help with this one sir🙏🙏🙏

    • @tanveersharma2793
      @tanveersharma2793 4 ปีที่แล้ว +1

      ncert.nic.in/pdf/publication/exemplarproblem/classXII/physics/leep101.pdf
      Link to the text

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +1

      @@tanveersharma2793 I will look into it. Looks interesting 😉

    • @tanveersharma2793
      @tanveersharma2793 4 ปีที่แล้ว +1

      PHYSICS SIR JEE - JANARDHAN - IIT JEE and Olympiad yes sir i think why no one recommends this book it has amazing problems upto olympiad level 😅

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +1

      @@tanveersharma2793 I do it for my students here. It's compulsory. Btw , ncert has provided Solutions to it too, did you not understand it?

    • @tanveersharma2793
      @tanveersharma2793 4 ปีที่แล้ว +1

      For majority of doubts i do understandthem but this one I wanted clarity of your level 🔥

  • @rithvik_
    @rithvik_ 4 ปีที่แล้ว +1

    Sir wt is the ans for the ques (one before irodov problem)

  • @ayankar6306
    @ayankar6306 4 ปีที่แล้ว +1

    sir, one small doubt .when we take theta 0 because many of the irodov surface tension problem take theta is 0 degree

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว

      "Wetting is complete" means theta is zero

  • @kushagratiwari2282
    @kushagratiwari2282 11 หลายเดือนก่อน

    Does Finding height of capillary rise by excess pressure method and by macroscopic fbd are same way .
    I have one more doubt regarding why application of surface tension is along tangent to surface while appearing downward force?

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  11 หลายเดือนก่อน

      All of this is covered in detail in our course or by any teacher under whom you would be studying.
      It's difficult to answer your second doubt in a reply/comment here.
      In case, you cannot join our course or don't have guidance from an equivalent teacher in your preparation, I recommend you to read 'Properties of matter by D S Mathur' on this topic... Your doubt will get resolved with proper diagrams... All the best with your studies 🙂👍

  • @digitalmarketingandwebsite8954
    @digitalmarketingandwebsite8954 3 ปีที่แล้ว

    Sir any suggestions where I can get these in the form of theories . Since there are lot of concepts which needs to be covered deeply .

  • @hiteshsaireddy1456
    @hiteshsaireddy1456 3 ปีที่แล้ว

    sir only one doubt is remained that why are we not taking cohesive forces due to bulk of liquid on surface molecules

  • @dhirendrakumar3767
    @dhirendrakumar3767 2 ปีที่แล้ว

    Sir how small dl element is in equilibrium , under these 3 force ?

  • @surajchaudhary3234
    @surajchaudhary3234 4 ปีที่แล้ว

    Sir ,can u take stretching soap bubble problem from irodov?

  • @tanveersharma2793
    @tanveersharma2793 4 ปีที่แล้ว

    Sir have you posted the solution to the irodov problem given at end of aits select 15 the cyclotron one?????

  • @afzal1104
    @afzal1104 2 ปีที่แล้ว

    Sir, which book would you suggest to study surface tension in detail for IIT JEE and Physics Olympiad?

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  2 ปีที่แล้ว +1

      For JEE level theory for teachers, I would suggest " properties of matter " by D S Mathur

    • @afzal1104
      @afzal1104 2 ปีที่แล้ว

      @@PHYSICSSIRJEE Thank you very much for your prompt reply, sir.

  • @mhrshah
    @mhrshah 4 ปีที่แล้ว +1

    What happened when this setup is placed in vacuum???? As here significant role of Gas is observed

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว +3

      In vacuum , liquid will vapourize quickly to create a gas layer for itself. If you neglect the vapourizing effect then vacuum does a greater job than Tlg . The creation of Tlg is basically due to difference in molecular forces

    • @mhrshah
      @mhrshah 4 ปีที่แล้ว

      Thank you sir

    • @kishan_kashyap21
      @kishan_kashyap21 3 ปีที่แล้ว

      @@PHYSICSSIRJEE Woww never thought of this 🔥🙏

  • @seediscute
    @seediscute หลายเดือนก่อน

    Sir do you teach offline?

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  หลายเดือนก่อน

      @@seediscute yes, but, I have online courses too ... Check out our Website physicssirjee.com
      And apps at the bottom of the website

  • @rajeevkumarsam5499
    @rajeevkumarsam5499 4 ปีที่แล้ว

    Plz start challenging problem series.

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว

      There is no separate series as such🙂. I keep bringing everything associated with JEE and Olympiads. Perception of Difficulty varies from student to student. Please stay tuned 🙏☺️, I am sure you will find what you require.
      In the meantime , you may go through , playlists in the description below this video , "Olympiad workout series" might satiate your need for challenging Problems.

    • @masoomladka5646
      @masoomladka5646 4 ปีที่แล้ว

      @@PHYSICSSIRJEE 🙃🙂🙂🙂🙂🙂

  • @pogpieunited3379
    @pogpieunited3379 2 ปีที่แล้ว

    14:13 sir is the answer to it 9?

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  2 ปีที่แล้ว

      Solution video was made . Please search in surface tension playlist or aits select series playlist

  • @mhrshah
    @mhrshah 4 ปีที่แล้ว

    Ans is x = 4 ??? For integer type
    If no then pls give correct ans.. I will try myself till your solution will come

    • @mhrshah
      @mhrshah 4 ปีที่แล้ว

      @@sambhavmishra5423 what is your method sir?
      I have calculate change in potential energy

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  4 ปีที่แล้ว

      No 🙂. Let others try it too

    • @mhrshah
      @mhrshah 4 ปีที่แล้ว

      Ohk sir
      But pls upload solution of this question, i have give too much time to it
      So pls 🙏

  • @tanveer9098
    @tanveer9098 4 ปีที่แล้ว +1

    Revised 6jan

  • @modernphysics7474
    @modernphysics7474 3 ปีที่แล้ว

    Sir after watching this video I was feeling so dumb that how could I just cram the formula without having it's in-depth knowledge😅😅

    • @PHYSICSSIRJEE
      @PHYSICSSIRJEE  3 ปีที่แล้ว +3

      Don't worry , I have seen enough people not understand this and cram it because most textbooks don't do justice to this derivation. They either skip it (JEE books) or make it too mathematical (engineering books)

  • @raghavagrawal7
    @raghavagrawal7 4 ปีที่แล้ว +1

    Sir please join unacademy

  • @shmkrar1153
    @shmkrar1153 ปีที่แล้ว

    Thank you so much sir