Question

Name the physical quantities which we need to calculate the density.​

Answer 1

Answer:

Base quantity Symbol Description SI base unit Dimension Comments

Length l The one-dimensional extent of an object metre (m) L extensive

Mass m A measure of resistance to acceleration kilogram (kg) M extensive, scalar

Time t The duration of an event second (s) T scalar

Electric Current I Rate of flow of electrical charge per unit time ampere (A) I extensive

Temperature T Average kinetic energy per degree of freedom of a system kelvin (K) Θ intensive, scalar

Amount of substance n The quantity proportional to the number of particles in a sample, with the Avogadro constant as the proportionality constant mole (mol) N extensive, scalar

Luminous intensity Iv Wavelength-weighted power of emitted light per unit solid angle

Answer 2

Explanation:

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