Revise smart, understand Better

If the density of a material is 2 g/cm³, what is the density of this material in kg/m³?

1000 kg/m³.

2000 kg/m³.

20,000 kg/m³.

2 kg/m³.

Which of the following is the correct method for measuring the density of an irregularly shaped object?

By measuring its mass and dividing by the volume of a cube.

By measuring its mass and dividing by the volume of a sphere.

By calculating its mass and comparing to a reference.

By submerging it in a liquid and measuring the displacement.

What is the effect of temperature on the density of most substances?

Density decreases with temperature.

Density remains constant with temperature.

Density increases with temperature.

Density first increases and then decreases with temperature.

The density of a substance is given by 3 g/cm³. If its mass is 150 g, what is its volume?

150 cm³.

60 cm³.

45 cm³.

50 cm³.

Which of the following is NOT true about density?

It can be measured using water displacement.

It is independent of temperature.

It is an intrinsic property of a substance.

It depends on the mass and volume of an object.