Which of the following is NOT a base unit in the SI system?

Practice Questions

Q1
Which of the following is NOT a base unit in the SI system?
  1. Meter
  2. Kilogram
  3. Second
  4. Liter

Questions & Step-by-Step Solutions

Which of the following is NOT a base unit in the SI system?
Correct Answer: Liter
  • Step 1: Understand what base units are in the SI system. Base units are the fundamental units of measurement from which other units are derived.
  • Step 2: Identify the base units in the SI system. The base units include meter (for length), kilogram (for mass), and second (for time).
  • Step 3: Recognize that a liter is a unit of volume, which is derived from the base unit meter. Therefore, it is not a base unit.
  • Step 4: Conclude that among the options given, liter is NOT a base unit in the SI system.
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