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Units and Measurements — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsUnits and Measurements1 Mark
Question
Do all physical quantities have dimensions? If no, name four physical quantities which are dimensionless.
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Answer

No, all physical quantities do not possess dimensions. Angle, specific gravity, Poisson's ratio and Strain are four examples of dimensionless quantities.

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