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Question Number 168071 by aurpeyz last updated on 02/Apr/22

  A clean tube of diameter 2.5 mm is imersed in a liquidi  wth a coefficient of surface tension  0.4 nm. The anglef  o contact of the liquid with the glass can be assumed as1  35^0 . The density of liquid 13600 kgm3. What would   bethe level of the liquid in the tube relative to the freeu  srface of the liuid inside the tube Answer should be inm  m

$$ \\ $$$$\mathrm{A}\:\mathrm{clean}\:\mathrm{tube}\:\mathrm{of}\:\mathrm{diameter}\:\mathrm{2}.\mathrm{5}\:\mathrm{mm}\:\mathrm{is}\:\mathrm{imersed}\:\mathrm{in}\:\mathrm{a}\:\mathrm{liquidi} \\ $$$$\mathrm{wth}\:\mathrm{a}\:\mathrm{coefficient}\:\mathrm{of}\:\mathrm{surface}\:\mathrm{tension}\:\:\mathrm{0}.\mathrm{4}\:\mathrm{nm}.\:\mathrm{The}\:\mathrm{anglef} \\ $$$$\mathrm{o}\:\mathrm{contact}\:\mathrm{of}\:\mathrm{the}\:\mathrm{liquid}\:\mathrm{with}\:\mathrm{the}\:\mathrm{glass}\:\mathrm{can}\:\mathrm{be}\:\mathrm{assumed}\:\mathrm{as1} \\ $$$$\mathrm{35}^{\mathrm{0}} .\:\mathrm{The}\:\mathrm{density}\:\mathrm{of}\:\mathrm{liquid}\:\mathrm{13600}\:\mathrm{kgm3}.\:\mathrm{What}\:\mathrm{would}\: \\ $$$$\mathrm{bethe}\:\mathrm{level}\:\mathrm{of}\:\mathrm{the}\:\mathrm{liquid}\:\mathrm{in}\:\mathrm{the}\:\mathrm{tube}\:\mathrm{relative}\:\mathrm{to}\:\mathrm{the}\:\mathrm{freeu} \\ $$$$\mathrm{srface}\:\mathrm{of}\:\mathrm{the}\:\mathrm{liuid}\:\mathrm{inside}\:\mathrm{the}\:\mathrm{tube}\:\mathrm{Answer}\:\mathrm{should}\:\mathrm{be}\:\mathrm{inm} \\ $$$$\mathrm{m} \\ $$

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