SI Units – Basic Chemistry in Hindi Part 1
SI Units – Basic Chemistry in Hindi Part 1
In this video we learn about SI System of units. We learn about 7 basic SI units, derived units, international system of units. In this video of Basic chemistry we get all information about SI units Which are used in physic and chemistry science experiments.
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SI System
7 SI Base Units
Base physical quantity

Symbol for quantity

SI units name

SI units symbol

Length

l

Metre

m

Mass

m

Kilogram

Kg

Time

t

Second

s

Current

I

Ampere

A

Temperature

T

Kelvin

K

Amount of substance

n

Mole

Mol

Luminous intensity

I_{v}

candela

Cd

Prefixes for SI Units
Multiple

Prefix

Symbol

10^{24}

Yocto

y

10^{21}

Zepto

z

10^{18}

Atto

a

10^{15}

Femto

f

10^{12}

Pico

p

10^{9}

Nano

n

10^{6}

Micro

m

10^{3}

Milli

m

10^{2}

Centi

c

10^{1}

Deci

d

10

Deca

da

10^{2}

Hecto

h

10^{3}

Kilo

k

10^{6}

Mega

M

10^{9}

Giga

G

10^{12}

Tera

T

10^{15}

Peta

P

10^{18}

Exa

E

10^{21}

Zeta

Z

10^{24}

yotto

Y
