Question

What is SI system of unit? Name two other systems of units?

Answer 1

Hi Gayatree,

The SI system of unit is international system of standard units or to measure physical quantities

Some of the standard units in this system are:

1) Metre (m) for length

2) Kilogram (kg) for weight

3)Second (s) for time

4) Ampere (A) for current

5)Kelvin (K) for temperature

6) Candela (cd) for luminescence

7) Mole (mol) for number of atoms and molecules

The other two units are, CGS system and MKS system.

CGS stands for is for centimeter , gram and second.

MKS stands for metre , kilogram and seconds.

Hope this is useful for you.

Cheers!