Physics
Differentiate between standard units and non-standard units. Give examples if applicable.
Answer
Differences between standard units and non-standard units:
| S. No. | Standard units | Non-standard units |
|---|---|---|
| 1. | Standard units refer to a set of units which were accepted by scientists all over the world as units of measurement. | Non-standard units refer to the methods of measurement that were adopted by people in earlier times. |
| 2. | These units are definite, exact and convenient and remain the same everywhere. | These units were approximate and varied from actual values. |
| 3. | For example, metre is a standard unit of length and kilogram is internationally accepted unit to measure mass. | For example, cubit, handspan, footstep and arm length were used to measure length. Seeds, stones and pebbles were used as standard weights to measure mass. |
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