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1. units,dimensions and measurement — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics1. units,dimensions and measurement1 Mark
MCQ
Which of the following is a dimensional constant?
  • ✓
    Gravitational constant
  • B
    Relative density
  • C
    Refractive index
  • D
    Poisson ratio
✓

Answer

Correct option: A.
Gravitational constant
a
Gravitational constant also known as universal gravitational constant has a symbol $G$ and has a dimension $\left[ M ^{-1} L ^3 T ^{-2}\right]$ while others are dimensionless constant.

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