The force of buoyancy on an immersed body is:

due to weight of the body

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due to the pressure difference between upper surface and lower surface of the body

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due to atmospheric pressure

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both A and B are correct

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Solution

The correct option is A due to the pressure difference between upper surface and lower surface of the body
As we go down along the line of gravity pressure increases so at lower surface pressure is high than the upper surface so body feels an upthrust toward upward.

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The force of buoyancy on an immersed body is:

The correct option is A due to the pressure difference between upper surface and lower surface of the bodyAs we go down along the line of gravity pressure increases so at lower surface pressure is high than the upper surface so body feels an upthrust toward upward.

The correct option is A due to the pressure difference between upper surface and lower surface of the body
As we go down along the line of gravity pressure increases so at lower surface pressure is high than the upper surface so body feels an upthrust toward upward.