Question

Dimensions of physical quantities

Answer 1

Explanation:

it is very useful in the question which is related to higher topics in the physics so please do it by heart because using dimensions also you can do the question easily if you are not getting any click to the question

Answer 2

Dimensions of physical quantity

It is the system in which all the systems of units, the derived units of all the physical quantities can be expressed in the term of fundamental units of mass, length and time. raised to some power. the powers to which fundamental units is raised in order which express physical quantity, are known as its dimensions. To make this clear.

• Now, we consider a physical quantity

Density.

Density :- mass per unit volume is known as density.

Hence,

density = mass /volume

= M/L³ = [M¹L^-3T]

This expression show that dimensions of density are 1 in mass, -3 in length and 0 in time.