Physics
Grade-6
Easy

Question

Which of the following ensures uniformity of measurement of length across the globe?

  1. Hand span
  2. Arm span
  3. SI units
  4. Foot span

hintHint:

SI units ensures uniformity of measurement of length across the globe

The correct answer is: SI units


    • A unit of measurement is a precise magnitude of a quantity that is specified and recognized by convention or legislation and is used as a standard for measuring the same type of quantity.
    • Any other such quantity can be stated as a multiple of the unit of measurement.
    • The definition, agreement, and practical application of units of measuring have played an important part in human endeavor from the beginning to the present. A plethora of unit systems used to be fairly prevalent.
    • The International System of Units also known as SI units is the current form of the metric system which now serves as a global standard.

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