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1.Units, Dimensions and Measurement
easy
Which of the following is a dimensional constant?
AGravitational constant
BRelative density
CRefractive index
DPoisson ratio
(AIPMT-1995)
Solution
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.
Standard 11
Physics
Similar Questions
Match List$-I$ with List$-II$.
List$-I$ | List$-II$ |
$(A)$ Angular momentum | $(I)$ $\left[ ML ^2 T ^{-2}\right]$ |
$(B)$ Torque | $(II)$ $\left[ ML ^{-2} T ^{-2}\right]$ |
$(C)$ Stress | $(III)$ $\left[ ML ^2 T ^{-1}\right]$ |
$(D)$ Pressure gradient | $(IV)$ $\left[ ML ^{-1} T ^{-2}\right]$ |