Question

unitless quantities are dimensionless?​

Answer 1

Answer:

Since both quantities have the dimension length, their ratio is dimensionless. ... It has been argued that quantities defined as ratios Q = A/B having equal dimensions in numerator and denominator are actually only unitless quantities and still have physical dimension defined as dim Q = dim A × dim B−1.

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Answer 2

$\huge{\tt {\red {Answer:}}}$

Since both quantities have the dimension length, their ratio is dimensionless.It has been argued that quantities defined as ratios Q = A/B having equal dimensions in numerator and denominator are actually only unitless quantities and still have physical dimension defined as dim Q = dim A × dim B−1.

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