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If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0

Practice Questions

Q1
If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0.1 g/cm³, what is the absolute error in the density?
  1. 0.1 g/cm³
  2. 0.01 g/cm³
  3. 0.5 g/cm³
  4. 0.2 g/cm³

Questions & Step-by-Step Solutions

If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0.1 g/cm³, what is the absolute error in the density?
  • Step 1: Understand what density is. Density is the mass of a substance divided by its volume.
  • Step 2: Note the given density value, which is 8.0 g/cm³.
  • Step 3: Identify the uncertainty in the measurement, which is ±0.1 g/cm³.
  • Step 4: Recognize that the absolute error is the same as the uncertainty in the measurement.
  • Step 5: Conclude that the absolute error in the density is ±0.1 g/cm³.
  • Density Measurement – Understanding how density is measured and the significance of uncertainty in measurements.
  • Absolute Error – The concept of absolute error as the uncertainty associated with a measurement.
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