How Is Dimensional Formula Related To Dimensional Equation?


The equations obtained when we equal a physical quantity with its dimensional formulae are called Dimensional Equations.

Dimensional Equations.

Physical QuantityDimensional Equation
Power (P) =
Velocity (v) =
Density (D) =
Energy (E) =



What is the formula of dimensional formula?

Dimensions and Dimensional Formula

Physical QuantityDimensional Equation
Power (P)P = ML2T−3
Velocity (v)v = MLT−1
Density (D)D = ML3T0
Energy (E)E = ML2T−2


What is momentum write its dimensional formula?

the ability to keep increasing or developing; the force that makes something move faster and faster . Or, L = × = . Therefore, linear momentum is dimensionally represented as .


How is dimensional formula related to dimensional equation?

The equations obtained when we equal a physical quantity with its dimensional formulae are called Dimensional Equations.

Dimensional Equations.

Physical QuantityDimensional Equation
Power (P) =
Velocity (v) =
Density (D) =
Energy (E) =


What is the dimensional formula of magnetic field?

Or, B = × -1 × -1 = . Therefore, Magnetic Field is dimensionally represented as .


What is the dimension of area?

Therefore, area is dimensionally represented as .


Who invented joule?

James Prescott Joule, (born December 24, 1818, Salford, Lancashire , England—died October 11, 1889, Sale, Cheshire), English physicist who established that the various forms of energy—mechanical, electrical, and heat—are basically the same and can be changed one into another.


What is the dimension of force and momentum?

The dimensional formula for the moment of force is .


What are the dimensions of a and b/in Vander Wall's equation P A v 2 )( VB )= RT?

The Van der Waals equation of state for some gases can be expressed as: (P+aV2)(V−b)=RT, where P is the pressure, V is the molar volume, and T is the absolute temperature of the given sample of gas and a, b and R are constants. The dimensions of a are: (A) ML5T−2. (B) ML−1T−2.


What is the dimension of momentum?

M1 L1 T-1


What is the SI unit of joule?

1 Units. The SI unit for energy is the joule (J): 1 J=1 newton metre (N m). Another unit is the calorie (cal), which is defined as the heat required to raise the temperature of 1 g of pure water by 1°C at 1 atm pressure.


What is the dimensional formula of unit?

Dimensional Formula:

Physical quantityUnitDimensional formula
LengthmL
MasskgM
TimesT
Acceleration or acceleration due to gravityms 2LT 2


Dated : 22-Jul-2022

Category : Education

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