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• KERALA×
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Home /Doubts and Solutions/KERALA/Class 11 Science/Physics/Mechanical Properties Of Fluids

# Mechanical Properties Of Fluids Free Doubts and Solutions

## 10.1 a)explain why the blood pressure in humans is greater at the feet than at the brain

Asked by Shabnakp 13th January 2013, 5:05 PM

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## 10.2 e) explain why a drop of liquid under no external force is always spherical shape

Asked by Shabnakp 13th January 2013, 5:00 PM

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## 10.2d)explain why the water with detergent dissolved in it should have small angle of contact.

Asked by Shabnakp 13th January 2013, 4:58 PM

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## 10.2 c)explain why the surface tension of a liquid is independent area of the area of the surface

Asked by Shabnakp 13th January 2013, 4:56 PM

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## what os coming out ofa hole ,made in the walls of fresh water tank.if the size of the wall increases what is the change in velocity of efflux

Asked by Shabnakp 13th January 2013, 4:08 PM

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## what is the excess pressure inside a bubble of soap solution of radius 5 mm .Give surface tension of soapis 2.5*10^-2 n/m. if an air bubble of same diamension is formed at depth of 40cm.inside the container containing the soap solution.what is the pressure inside tha bubble. density of soap solution is 1.2

Asked by Shabnakp 13th January 2013, 3:20 PM

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## what is the excess pressure inside a bubble of soap solution of radius 5 mm .Give surface tension of soapis 2.5*10^-2 n/m. if an air bubble of same diamension is formed at depth of 40cm.inside the container containing the soap solution.what is the pressure inside tha bubble. density of soap solution is 1.2

Asked by Shabnakp 13th January 2013, 3:19 PM

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## 10.2b)explain why the water ona clean glass surface tends to spread out while mercury on the same surface tends to form drops.(put differntly,water wet glass while mercury does not)

Asked by Shabnakp 12th January 2013, 11:09 PM

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## explain why the angle of contact of mercury with glass is obtuse , while that of water with glass is acute.

Asked by Shabnakp 12th January 2013, 11:00 PM

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## a capillary tube of 1 mm is dipped vertically in water. calculate the surface tension of water if the water rises 2.94cm above the outer level.density of water=100kg/m^3

Asked by Shabnakp 12th January 2013, 10:56 PM