Question

Short answer type questions!
(a) What is specific gravity? What is its unit? Or,
What is surface tension? What is its SI unit?​

Answer 1

Answer:

1) A specific gravity is the ratio of the density of a substance to the density of a given reference material. 2) kg m raise to -3 or kg/m raise to 3.3) The tension of the surface film of a liquid caused by the attraction of a particle in the surface layer by the bulk of a liquid, which tends to minimize surface area. 4) Newton per meter