Some Important Physical Quantities and Their Units

S No	Physical Quantity	Units
1	Length	Metre
2	Time	Second
3	Mass	Kilogram
4	Area	Square metre
5	Volume	Cubic metre
6	Velocity	Metre / second
7	Density	Kilogram / Metre Cube
8	Energy	Joule
9	Force	Newton
10	Pressure	Pascal or Newton / Square Metre
11	Frequency	Hertz
12	Power	Watt
13	Weight	Newton or Kilogram
14	Heat	Joule
15	Temperature	Kelvin
16	Resistance	Ohm
17	Electric current	Ampere
18	Electromotive force	Volt
19	Intensity of Sound	Decibel
20	Power of lens	Dioptre
21	Depth of Sea	Fathom
22	Magnetic Intensity	Orsted
23	Electric Power	Kilo Watt or Watt
24	Acceleration	Metre / Second Square
25	Momentum	Kilogram Metre / Second
26	Work	Joule
27	Impulse	Newton- Second
28	Angular velocity	Radian / Second
29	Viscosity	Poise
30	Surface tension	Newton / Square Metre
31	Absolute temperature	Kelvin
32	Electrical conductivity	Ohm / Metre
33	Electric Energy	Kilo Watt hour
34	Charge	Coulomb
35	Magnetic induction	Gauss
36	Luminous flux	Candela

Factor	Prefix	Symbol
1018	exa	E
1015	peta	P
1012	tera	T
109	giga	G
106	mega	M
103	kilo	k
102	hecto	h
101	deka	da
100
10-1	deci	d
10-2	centi	c
10-3	milli	m
10-6	micro	m
10-9	nano	n
10-12	pico	p
10-15	femto	f
10-18	atto	a

Also Read:

• Effects of Refraction, Total Internal Reflection & Dispersion - Explained
• Sound - Important Points -Properties, Characteristics, Types, Speed, Production
• Chemical Names and Chemical Formulas of Useful Compounds 
• What is Ore? Type of different ores of everyday used metals
• Define Alloy? Types of Important Alloys - General Knowledge
• Important Units of Measurement in Science : General Knowledge
• Different Branches / Fields of Study 
• Important SCIENTIFIC LAWS ETC.
• SCIENTIFIC INSTRUMENTS