A cylindrical tank has a hole of diameter 2 r in its bottom. The hole is covered wooden…
Physics · JEE Advanced · NTA Exams — Properties of Solids and Liquids
A cylindrical tank has a hole of diameter 2r in its bottom. The hole is covered wooden cylindrical block of diameter 4r, height h and density r/3. 
Situation 1: Initially, the tank is filled with water of density r to a height such that the height of water above the top of the block is h1 (measured from the top of the block).
Situation 2 : The water is removed from the tank to a height h2 (measured from the bottom of the block),as shown in the figure. The height h2 is smaller than h (height of the block) and thus the block is exposed to the atmosphere.
In situation 2, if h2 is further decreased, then
Situation 2 : The water is removed from the tank to a height h2 (measured from the bottom of the block),as shown in the figure. The height h2 is smaller than h (height of the block) and thus the block is exposed to the atmosphere.
In situation 2, if h2 is further decreased, then
- cylinder will not move up and remains at its original position
- for
- for
- for
Answer
(C) for
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