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NEET2006PhysicsMechanical Properties of FluidsActual

Assertion : A thin stainless steel needle can lay floating on a still water surface. Reason : Any object floats when the buoyancy force balances the weight of the object.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of the assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of the assertion
  3. CIf assertion is true, but reason is false
  4. DBoth assertion and reason are false statements.

Correct answer

B. If both assertion and reason are true but reason is not the correct explanation of the assertion

Step-by-step solution

A thin stainless steel needle on a still water may floats due to surface tension as upward force due to surface tension balances the weight of the needle.

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