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marissa [1.9K]
3 years ago
9

What is units and dimensions? what are dimensions less quantities?​

Physics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

A dimension is a measure of a physical variable.

Unit is a way to assign a number or measurement to that dimension.

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned, also known as a bare, pure, or scalar quantity or a quantity of dimension one, with a corresponding unit of measurement is the SI of the unit one, which is not explicity shown.

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