Units and dimensions

The _____________of a physical quantity is defined as the power of fundamental quantities are raised in order to represent that quantity

• Numerical value

• Dimensions

• Derived physical quantity

• Base physical quantity

Dimensional formula of area is

• [L^2]

• [L^5]

• [L^4]

• [L^3]

Dimensional formula of mass is

• M

• L

• T

• A

Dimensional formula of length is

• L

• M

• T

• U

Dimensional formula of density is

• [M^1L^2T^0]

• [M^1L^-3T^0]

• [M^1L^1T^0]

Dimensional formula of volume is

• [L^2]

• [L^5]

• [L^4]

• [L^3]

Dimensional formula of acceleration is

• [M^1L^2T^0]

• [M^0L^1T^-2]

• [M^1L^1T^0]

Dimensional formula of force is

• [M^1L^2T^0]

• [M^1L^2T^1]

• [M^1L^1T^0]

• [M^1L^1T^-2]

The quantities do not possess dimension formula but have a fixed value is called

• Dimensionless constant

• Dimensionless variables

• Dimensional constant

• Dimensional variable

The qualities whose values are variables and they do not have dimensions is called

• Dimensionless constants

• Dimensionless variables

• Dimensional constant

• Dimensional variables