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Can a quantity having dimensions may hav...

Can a quantity having dimensions may have no units ?

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No, a quantity having dimensions must have some units.
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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Conceptual Problem
  1. Which is the world's most accurate clock ? What is its accuracy?

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  3. Can a quantity having dimensions may have no units ?

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  4. Can a quantity have units, but still be dimensionless?

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  5. In different of systems of units, can a quantity have different dimens...

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