Ascent Formula Derivation Class 11 Physics | Mechanical Properties of Fluids Important Topics

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Комментарии • 21

  • @satoffi
    @satoffi 8 месяцев назад +10

    Thanks is for this video now i can prove this formula!

  • @A2sirfanclub8998
    @A2sirfanclub8998 8 месяцев назад +2

    Thanks sir❤

  • @ta__manish_
    @ta__manish_ 8 месяцев назад +1

    Thnk u sir❤

  • @krishbharadwaj5223
    @krishbharadwaj5223 8 месяцев назад +4

    Sir Isko exam m ese hi kark e aayenge

  • @shivisharma-rk2dw
    @shivisharma-rk2dw 8 месяцев назад +8

    mere ko nhi aya 😑

  • @rawskeleton876
    @rawskeleton876 7 месяцев назад

    2S/R kahan se aya?

    • @VishalKumar-qt9em
      @VishalKumar-qt9em 7 месяцев назад

      It is excess pressure

    • @rawskeleton876
      @rawskeleton876 7 месяцев назад

      @@VishalKumar-qt9em Okay.. But how is it equal to 2S/R?

  • @Ronak-n6s
    @Ronak-n6s 8 месяцев назад +4

    Mera ko nhi Aya samaj

    • @Yuvankanand
      @Yuvankanand 8 месяцев назад +3

      To glti Teri h

    • @Ronak-n6s
      @Ronak-n6s 8 месяцев назад

      @@Yuvankanand ok

    • @Theclipmaster695
      @Theclipmaster695 8 месяцев назад +1

      Meh bhai ki side hu

    • @aaxammeer4020
      @aaxammeer4020 6 месяцев назад

      Repeatedly dekho.. And write a couple of times.

  • @divyanoorkaur1596
    @divyanoorkaur1596 8 месяцев назад

    Smjh mein nhi aaya fir se 🫤🥹

  • @sniperrrryt3301
    @sniperrrryt3301 7 месяцев назад

    Bhai kya teacher h ghnta smj nhi aya

    • @bishalkumar7800
      @bishalkumar7800 7 месяцев назад

      Bro, pehle topic ko atche se padhke Jan ke yaha aoo.....ye derivation channel hai na ki tumko sab samjhane wala.....derivations are important for school so we come here to get a proper way . don't blame any teacher please. If you don't understand then go there are so many channels

  • @Benzene42
    @Benzene42 8 месяцев назад +3

    Ascent formula
    Consider a capillary tube of radius r dipped in a liquid of surface tension S and density ρ. Suppose
    the liquid wets the sides of the tube. Then its meniscus will be concave. The shape of the
    meniscus of water will be nearly spherical if the capillary tube is of sufficiently narrow bore.
    As the pressure is greater on the
    concave side of a liquid surface, so
    excess of pressure at a point A just
    above the meniscus compared to point
    B just below the meniscus
    2S
    p
    R

    Where R is the radius of curvature of
    meniscus. If θ is the angle of contact
    then from right angled triangle shown
    in figure, we have
    r
    cosθ
    R
    r
    or R
    cosθ
    2Scosθ
    p
    r


     
    Due this excess pressure p, the liquid rises in the capillary tube t height h when the hydrostatic
    pressure exerted by the liquid column becomes equal to the excess pressure p. Therefore, at
    equilibrium, we have
    p hρg
    2Scosθ or hρg
    r
    2Scosθ
    or p
    rρg