2 Surface energy | Excess pressure in soap bubble and cylindrical surface | IIT advanced

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Force of surface tension | Advanced examples | Surface tension | IIT JEE main advanced
Surface energy ABJ Sir,Excess pressure in soap bubble and cylindrical surface ABJ Sir,soap bubble and cylindrical surface ABJ Sir,Excess pressure in soap bubble ABJ Sir,cylindrical surface ABJ Sir, IIT advanced ABJ Sir
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Topics covered in this lecture :

00:00 surface energy and its properties
01:00 : explaining surface energy and its properties with diagram
06:39 : molecules on suface have more energy than the point which is inside the liquid and that extra energy is known as surface enregy.
08:08 : Derivation of formula for surface energy
14:20 : examples on surface energy ( in the given diagram find initial surface nergy of system ,find surface energy ,change in surface energy of system)
21:48 : in the above question : if specific heat of liquild is S and denisty of liquild is given the find chnage in temperature when it breaks into 1000 drops
24:21 : in the given arrnagement find initial ,final surface energy and change in surface energy?
34:10 : in the above question : if ensity and specific heat if given then find chnage in temp?
36 :30 : Excess presuure / gauge pressure
41:29 : derivation of Excess presuure
54:17 : Excess presuure in soap bubble
1:01:38 : question : if two buuble are collide together then what will happens
1:06:00 : questions : two bubble is kept in a chmaber as shown in the diagram then find pressure inside bubble1 and bubble 2
1:09:25 : in the baove question : find ratio of no. of moles of gas inside the bubbles?
1:12:42 : question : iif two buuble colide to combine then find final radius of merge bubble?
1:20:39 : excess presuure in the curved surface having 2 radii of curvature
1:32:15 : result from the excess presuure in the curved surface having 2 radii of curvature
1:34:02 : discusion on excess presuure for cyclendrical surface

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