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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Surface Tension
Duration: 3.47 Min
 
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Duration: 5.18 Min
 
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Duration: 4.26 Min
 
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Duration: 2.04 Min
 
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Duration: 2.35 Min
 
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Duration: 6.43 Min
 
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Duration: 5.14 Min
 
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Duration: 2.39 Min
 
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Duration: 5.21 Min
 
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Duration: 3.19 Min
 
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Duration: 5.22 Min
 
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Module - 13 Angle of Contact
Duration: 9.39 Min
 
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Duration: 4.14 Min
 
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Module - 15 Capillary Action
Duration: 11.20 Min
 
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Module - 18 Solved Example-5
Duration: 2.57 Min
 
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Module - 19 Solved Example-6
Duration: 3.54 Min
 
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Module - 20 Solved Example-7
Duration: 3.09 Min
 
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Module - 21 Solved Example-8
Duration: 3.42 Min
 
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Module - 22 Solved Example-9
Duration: 2.53 Min
 
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  1.  
  2. Sir while finding the radius of the liquid drop why are we not considering twice the surface area of bubble as we have considered in other cases
    7 years ago by Raghav G

    Post your answer here

  3.  
  4. Sir I have a doubt in a similar question that was asked in jee main. In that question if i just conserve initial and final energy i dont get the right ans.But if i do it with integration i get it right.The ques is.............Assume that a drop of liqd evaporates by decrease in its surf energy so that its temp remains const.what shud be the min radius of drop for this to be possible. (T--surf tension;rho- density of liqd;L---latent heat of vap)....ans...2T/rho*L.... (PLEASE TELL ME WHY THE ABOVE SOLVED PROB WAS NOT DONE BY INTEGRATION).....Thnxs and sorry for the long ques.
    8 years ago by Mohak Sharma
    Ans 1 ->
    Mohak sharma you can also use online forums like physicsforum physics stack exchange for clearing doubts
    8 years ago by Ajay Sabarish

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  5.  
  6. what is the surface tension acting on the sphere placed on liquid surface?
    10 years ago by Aditya Pandey
    Ans 1 ->
    Surface tension = (mg)/2L I'm taking force of surface tension to act downwards...:)
    7 years ago by Anshul garg

    Post your answer here