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Mechanical Properties Of Fluids

Question

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Name two applications of surface tension in our daily life.

Solution

Applications of Surface tension in daily life are:

(i) The surface tension of antiseptic ointments is low which make them to spread over the wound.

(ii) Adding detergent in water decreases the surface tension of water and enhances the cleaning action of water and detergent both.

Some More Questions From Mechanical Properties of Fluids Chapter

What is an ideal liquid?

Do liquids exert pressure?

Define pressure.

What is the direction of pressure?

What is the direction in which pressure exerts force on the walls of a container?

What is the SI unit of pressure?

You have two identical glass flasks. One is open mouthed and other is filled with helium and sealed. Which of the two will weigh more?

A cylinder of length l and area of cross section a is filled with liquid of density ρ to a height h. What is the pressure at the bottom due to height column of liquid?

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