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Assertion :A needle placed carefully on the surface of water m
Question

Assertion :A needle placed carefully on the surface of water may float, whereas the ball of the same material will always sink.
Reason :The buoyancy of an object depends both on the materials and shape of the object.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C
Assertion is correct but Reason is incorrect

D
Both Assertion and Reason are incorrect

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Assertion :A needle placed carefully on the surface of water may float, whereas the ball of the same material will always sink.
Reason :The buoyancy of an object depends both on the materials and shape of the object.
9 mins ago
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Text SolutionText solutionverified iconVerified

When a needle is placed carefully on the surface of water, it floats on the surface of water due to the surface tension of water, which does not allow the needle to sink. In case of a steel ball, the surface tension of the water is not sufficient to keep it floating, so it sinks down.
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Question Text
Assertion :A needle placed carefully on the surface of water may float, whereas the ball of the same material will always sink.
Reason :The buoyancy of an object depends both on the materials and shape of the object.
Answer TypeText solution:1
Upvotes150