Multiple choice general knowledge science & technology

mass density

  1. cubic metre

  2. kilogram per cubic metre

  3. square metre per second

  4. metre per second cubed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mass density is defined as mass per unit volume, making kilogram per cubic metre (kg/m³) the correct SI unit. Cubic metre is volume alone, square metre per second is kinematic viscosity, and metre per second cubed is not a standard physical quantity.

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