Question

definitions of physical quantities and its units and dimensional formulaes​

Answer 1

Answer:

All physical quantities can be expressed in terms of seven fundamental (base) quantities such as mass, length, time, temperature, electric current, luminous intensity and amount of substance. ..

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Answer 2

Answer:

All physical quantities can be expressed in terms of seven fundamental (base) quantities such as mass, length, time, temperature, electric current, luminous intensity and amount of substance.

What is dimensional formula of a physical quantity?

Dimensional Equations

Physical Quantity Dimensional Equation

Force (F) [F] = [M L T-2]

Power (P) [P] = [M L2 T-3]

Velocity (v) [v] = [M L T-1]

Density (D) [D] = [M L3 T0]

What are the physical quantities and their units?

The seven base quantities and their corresponding units are:

• time (second)

• length (metre)

• mass (kilogram)

• electric current (ampere)

• thermodynamic temperature (kelvin)

• amount of substance (mole)

• luminous intensity (candela)

Explanation:

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