Surface tension
A needle is made of a material whose density is . Then the maximum diameter of the needle which can float on the surface of water with its length horizontal is, (surface tension of water is T)
When the diametre of the needle is maximum, half of its volume is submerged.
In equilibriums
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Similar Questions
Consider the following statements.
(A) Young's modulus for a perfectly plastic body is zero.
(B) For a perfectly plastic body, restoring force is zero
Select the correct option.
(a)(A) is false, But (B) is true.
(b) Both (A) and (B)are true.
(c) (A) is true, But (B) is false.
(d) Both (A)and(B)are false.
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