Question

Write two physical quantities which have no dimension and no unit

Answer 1

Answer:

Relative density

Stress

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Answer 2

Answer:

Physical Quantities having no units, can not possess dimensions: Trigonometric ratios, logarithmic functions, exponential functions, coefficient of friction, strain, poisson's ratio, specific gravity, refractive index, Relative permittivity, Relative permeability.

Explanation:

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