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Standard XII
Physics
Archimedes' Principle
If height h...
Question

If height h2 of water level is further decreased, then

A
cylinder will not move up and remains at its original position.
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B
for h2=h/3, cylinder again starts moving up
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C
for h2=h/4, cylinder again starts moving up
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D
for h2=h/5 cylinder again starts moving up
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Solution

The correct option is C cylinder will not move up and remains at its original position.
Buoyant force would decrease with further decrease in water level and thus block would not move up. The downwards forces would be balanced by the upward normal force on the block.

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