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Which of the following is true about the density of gases?

Gases have a low density compared to liquids and solids.

The density of gases is independent of pressure and temperature.

The density of gases is higher than liquids at all temperatures.

Gases have a very high density compared to solids.

A metal has a mass of 50 kg and a volume of 0.02 m³. What is its density?

1500 kg/m³.

5000 kg/m³.

2500 kg/m³.

1000 kg/m³.

The density of a substance is calculated using the formula ρ = m / V. If the mass of an object is 12 kg and its volume is 3 m³, what is its density?

9 kg/m³.

36 kg/m³.

4 kg/m³.

6 kg/m³.

What is the effect of increasing the density of a fluid on the floating object?

The object will remain at the same height.

The object will disappear.

The object will sink more.

The object will float higher.

The density of an object is defined as:

The speed at which it moves.

The amount of force it can exert.

The total mass of all its atoms.

The ratio of its mass to its volume.