CBSE Class 11science  Pressure in Fluids Videos
Mechanical Properties of Fluids
This video explains the concept of pressure and the influence of depth on pressure.
 A copper cube of mass 0.5 kg is weighed in water. The mass comes out to be 0.4 kg. Is the cube hollow or solid? [Density of copper=8.96*10^3 kg/m^3]. Does a hollow cube displace more water than solid cube of same mass?

Please solve the question. I can't understand how to solve this problem
 Whag is hydrostatic paradox?

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 What is terminal velocity?
 What are the factors affecting the upthrust.
 What is the function of a barometer?
 What are the factors on which the pressure in the liquid at rest depends?
 State Pascal's Law and its applications.
 When we swim under water, pressure on our body increases as we go deeper, but yet our body is not crushed due to this pressure. Why?