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Question: Answered & Verified by Expert
A ball floats on the surface of water in a container exposed to the atmosphere. When the container is covered and the air is partially removed, then the ball
PhysicsMechanical Properties of FluidsCOMEDKCOMEDK 2020
Options:
  • A rises
  • B gets immersed more in water
  • C remains immersed at its former depth
  • D may rise or sink
Solution:
1651 Upvotes Verified Answer
The correct answer is: gets immersed more in water
In the given situation, the weight of the ball is supported by the buoyant force of water and buoyant force due to air. As the density of air becomes less, the buoyant force due to the air becomes less. Therefore, to compensate a greater buoyant force due to water is required which is achieved by a greater immersion of ball into the water.

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