Physical Quantity

Describe the need for different units for different physical quantities.

The CGS system of units indicates centimetre, gram and second.

What is the full form of CGS system of units?

How are SI units defined?

If vectors $\overrightarrow{A}=\hat{\mathrm{i}}+3\hat{\mathrm{j}}+2\hat{\mathrm{k}}$ and $\overrightarrow{B}=3\hat{\mathrm{i}}+\hat{\mathrm{j}}+2\hat{\mathrm{k}}$ then find value of $\overrightarrow{A}\times \overrightarrow{B}$..

${\mathrm{m}}^3$ is an example of fundamental units.

Why length, mass and time are chosen as base quantities in mechanics?

Write the fundamental unit of amount of substance.

Write the fundamental unit of electric current.

Physical quantities are classified into two- fundamental and _____ quantities. 

The fundamental unit of mass is kilogram which is the mass of a platinum-iridium cylinder kept at the International Bureau of Weights and Measures near Paris in France.

The SI unit of volume is litre.

Second is an example of fundamental units.

Time is an example of fundamental quantities.

What is the alternate name for System International (SI)?

Select the derived unit from the options.

Select the fundamental unit from the options.

Select the derived quantity from the options.

Select the fundamental quantity from the options.

According to metric system, how many fundamental units are there?