Question

what is unit vector define si units and cgs unis​

Answer 1

In CGS system the unit of length, mass and time are centimetre (cm), gram (g) and second (s), respectively. In SI system the unit of length, mass and time are metre (m), kilogram (kg) and second (s), respectively.

Answer 2

S.I. unit of work is Joule (J) or Nm.

C.G.S unit of work is erg or dyne cm.

where 1N=10

5

dyne and 1m=100 cm

∴ 1 J=1 Nm=10

5

dyne×100 cm

⟹ 1 J=10

7

erg

Hope This helps you mate ☺️

#Siddharth here!