Question

give example for the following
a)A dimentionless unit less physical quantity​

Answer 1

Answer:

Certain quantities are defined as the ratio of two quantities of the same kind, and are thus dimensionless. A dimensionless physical quantity may have an unit (e.g. Mechanical equivalent of heat) but a unitless physical quantity is always dimensionless (e.g. Coefficient of friction , refractive index).

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Answer 2

Answer:

unknown error

Explanation:

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