Question Part Submissions Used Which of the following statements is incorrect? S

Question

Question Part Submissions Used Which of the following statements is incorrect?

Specific gravity is ratio of the density of a fluid to the density of water at 4 degrees Centigrade.

By applying a small force to a small area of fluid, it is possible to produce a large force acting on a large area of fluid.

If the pressure of a fluid changes at one point, the pressure of the fluid at any other point changes by an amount proportional to the depth of the point.

Density, which is the ratio of mass to volume, is useful for describing systems which do not have a fixed shape.

Explanation / Answer

The incorrect statement is - if the pressure of a fluid changes at one point, the pressure of the fluid at any other point changes by an amount proportional to the depth of the point.

Explanation - Because, as per Pascal's law, pressure at every point of a liquid is the same. So if pressure at a point changes by some amount then pressure will change accordingly at the other points of the liquid and it will not depend upon the depth. Though pressure inside the liquid depend on the the depth of the point but change will be the same for every point of the liquid.

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