Question

describe the process used to find the volume of an irregular solid such as a rock.​

Answer 1

Answer: Immersing it in a liquid of known volume.

Explanation:

According to "The Archimedes principle" by completely immersing a solid in a liquid, the volume of liquid displaced will be equal to the volume of the solid.

We record the volume of the liquid before and after introducing the solid.

V solid = Vf-Vi

Vf: Final volume of the liquid

Vi=Initial volume of the liquid

Answer 2

The volume of an irregular solid is obtained using the displacement method.

Irregular solids are those solids that do not have a well defined shape. The volume of these solids can only be obtained by displacement of water.

To obtain the volume of a rock, one needs to fill a graduated cylinder with water and record the level of the water. The rock is now added and the change in volume of the water is calculated as;

Final volume of water - Initial volume of water.

This change in volume is equal to the volume of the irregular solid.

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