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.

Question

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. (A) If both assertion and reason are true and reason is the correct explanation of the assertion (B) If both assertion and reason are true but reason is not the correct explanation of the assertion (C) If assertion is true, but reason is false (D) Both assertion and reason are false statements

Tardigrade Admin · Accepted Answer

A and R are true. But R does not explain A. Explanation of A is that it is the surface tension of the water surface which is balancing the weight of the steel needle.

Q. 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.

If both assertion and reason are true and reason is the correct explanation of the assertion

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

If assertion is true, but reason is false

Both assertion and reason are false statements

A and R are true. But R does not explain A. Explanation of A is that it is the surface tension of the water surface which is balancing the weight of the steel needle.

Q. 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.

A and R are true. But R does not explain A.
Explanation of A is that it is the surface tension of the water surface which is balancing the weight of the steel needle.