EASY
11th Odisha Board
IMPORTANT
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A balloon filled with air is weighted so that it just floats in water. It is just pushed down to certain depth and then released. The balloon will

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Important Questions on Hydrostatics

MEDIUM
11th Odisha Board
IMPORTANT
A block of wood weighs 4 N in air and 3 N when immersed in a liquid. The buoyant force is
EASY
11th Odisha Board
IMPORTANT
Define specific gravity.
EASY
11th Odisha Board
IMPORTANT
Write the expression for liquid pressure.
EASY
11th Odisha Board
IMPORTANT
State Archimede's principle.
EASY
11th Odisha Board
IMPORTANT
A man is sitting in a boat which is floating in a pond. If the man drinks some water from the pond, will the level of water in the pond change.
HARD
11th Odisha Board
IMPORTANT
A submarine is 50m below the surface of the ocean, with its weight exactly balanced by the buoyant force. If it descends to 100m, does the buoyant force increase, decrease or  remain the same ?