Question Detail
Question
If the density of air is 1.3 kg/m³, the mass of air in a room measuring 8 m × 5 m × 4 m is
Correct Answer
Option D is the correct answer.
Detailed Explanation
Volume = 8 × 5 × 4 = 160 m³. Mass = density × volume = 1.3 × 160 = 208 kg.
Hint
Mass = density × volume.