Which of the following is a derived quantity?

Which of the following is correct?

SI unit of density is ________.

Volume of irregularly shaped objects are measured using the law of ________.

One cubic metre is equal to ______ cubic centimetre.

Density of mercury is ________.

The region covered by the boundary of the plane figure is called its volume

Volume of liquids can be found using measuring containers.

Water is denser than kerosene.

A ball of iron floats in mercury.

Write down the formula used to find the volume of a cylinder.

Give the formula to find the density of objects.

Name the liquid in which an iron ball sinks.

Distinguish between the volume of liquid and capacity of a container.

There are three spheres A, B, C as shown below:

Sphere A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C. Now answer the following questions:
i. Find the ratio of masses of spheres A and B.
ii. Find the ratio of volumes of spheres A and B.
iii. Find the ratio of masses of spheres A and C.

A sphere is made from copper whose mass is 3000 kg. If the density of copper is 8900 kg/m, find the volume of the sphere.

Describe the graphical method to find the area of an irregularly shaped plane figure.