what are the three requirments for selecting a unit a physical quantity
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What are the three requirements for selecting a unit of a physical quantity?
The unit should be of convenient size.
It should be possible to define the unit without any ambiguity.
The unit should be reproducible.
The value of unit should not change with space and time. (i.e. it must always remain same everywhere).
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Three requriment for selecting a unit are
1 The unit should be reproducuble.
2 It should be possible to define the unit without ambiguity.
3 Tbe value of the unit should not change with space and time.
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