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Byju's Answer
Standard VII
Physics
Derived Quantities
A unitless qu...
Question

A unitless quantity


A

never has a nonzero dimension

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B

always has a nonzero dimension

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C

may have a nonzero dimension

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D

does not exist

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Solution

The correct option is A

never has a nonzero dimension


A unitless quantity will always be dimensionless as it has to be a ratio of quantities with the same dimensions.


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