EASY
12th Maharashtra Board
IMPORTANT
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Do you feel excess pressure while swimming under water? Why? 

Important Questions on Mechanical Properties of Fluids

EASY
12th Maharashtra Board
IMPORTANT
Why does a knife have a sharp edge and a needle has a sharp tip? 
EASY
12th Maharashtra Board
IMPORTANT
A student of mass 50 kg is standing on both feet. Estimate the pressure exerted by the student on the Earth. Assume reasonable value to any other quantity you need. Justify your assumption. You may use g=10 m s2 By what factor will it change if the student lies on back? 
EASY
12th Maharashtra Board
IMPORTANT

The figures show three containers filled with the same oil. How will the pressures at the bottom compare? 

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EASY
12th Maharashtra Board
IMPORTANT
What will be the normal atmospheric pressure in bar and also in torr?
EASY
12th Maharashtra Board
IMPORTANT
You must have blown soap bubbles in your childhood. What is their shape?
EASY
12th Maharashtra Board
IMPORTANT
Why does a greased razor blade float on the surface of water?
EASY
12th Maharashtra Board
IMPORTANT
Why can a water spider walk comfortably on the surface of still water?
EASY
12th Maharashtra Board
IMPORTANT
Why are free liquid drops and bubbles always spherical in shape?