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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A liquid having surface tension T and density ρ is in contact with a vertical solid wall. The liquid surface gets curved as shown in the figure. At the bottom the liquid surface is flat. The atmospheric pressure is Po . (i) Find the pressure in the liquid at the top of the meniscus (i.e. at A) (ii) Calculate the difference in height (h) between the bottom and top of the meniscus.

A liquid having surface tension T and density ρ is in contact with a vertical solid wall. The liquid surface gets curved as shown in the figure. At the bottom the liquid surface is flat. The atmospheric pressure is Po . (i) Find the pressure in the liquid at the top of the meniscus (i.e. at A) (ii) Calculate the difference in height (h) between the bottom and top of the meniscus.

A glass prism has its principal section in form of an equilateral triangle of side length l . The length of the prism is L (see fig.). The prism with its base horizontal