For having a 'measure' of a physical quantity we need

Only a number

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Only a unit

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both number and unit

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neither a number nor unit

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Solution

The correct option is C
both number and unit

A numerical measure accompanied by units.
For having a 'measure' of a physical quantity we need both numbers and units.
Hence option C is correct

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Similar questions

The unit we use to measure a physical quantity is a matter of choice

A physical quantity necessarily needs to have a dimension.

Does every physical quantity need to have a dimension?

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