Give an example of a physical quantity which has a unit but no dimensions.
Give an example of
(a) a physical quantity which has a unit but no dimensions.
(b) a physical quantity which has neither unit nor dimensions.
(c) a constant which has a unit.
(d) a constant which has no unit.
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(a) Angle or solid angle
(b) Relative density, etc.
(c) Planck’s constant, universal gravitational constant, etc.
(d) Raynold number
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