Physical Quantities, SI Units & Dimensional Formula List PDF for Class 6 to 12 & Competitive Exams

Physics Physical Quantities with SI Units & Dimensions | Complete Reference for Class 6–12

Understanding Units and Measurements is one of the most important topics in Physics, especially for Class 11, Class 12, and various competitive examinations. In this comprehensive guide, you'll find a Units and Measurements for Competitive Exams PDF, a complete All SI Units List PDF, and an easy-to-understand SI Units and Dimensions Table PDF. Whether you are preparing for school examinations or government recruitment tests, this resource provides everything you need in one place.

Units and Measurements PDF: SI Units, Dimensions & Dimensional Formula List for Class 11, 12 & Competitive Exams

This article includes a 100 Physical Quantities and Their SI Units table, a quick reference for 20 Physical Quantities and Units, and a detailed Dimensions and SI Units of Physical Quantities chart. Students can also download the All Dimensional Formula List PDF, making revision faster and more effective before examinations. Every physical quantity is presented with its SI unit and dimensional formula in a clear, organized format.

If you are studying Units and Measurements Class 11 PDF Notes or looking for Class 12 Physics All SI Units PDF, this page is designed to help you master the topic. It covers the Dimensional Formulae of Physical Quantities, explains the Dimensional Formula and SI Unit of Physical Quantities, and provides tables suitable for both beginners and advanced learners.

Dimensions and SI Units of Physical Quantities PDF | Class 11 & 12 Physics Notes with Tables

Students searching for Dimensions and SI Units of Physical Quantities Class 11, Dimensions and SI Units of Physical Quantities Class 12, or Dimensions of Physical Quantities Class 11 will find this guide particularly useful. It is also an excellent revision resource for those preparing for SSC, Railway, Banking, Defence, JEE, NEET, UPSC, State PSC, and other competitive examinations. The included SI Units for Physical Quantities – SSC Exam Reference section highlights the most frequently asked units and dimensional formulas in objective-type exams.

In addition to the reference tables, this page also provides Dimensions and SI Units of Physical Quantities PDF, practice questions, and a Dimensions and SI Units of Physical Quantities Worksheet to strengthen your understanding. If you are looking for Dimensions and SI Units of Physical Quantities Questions and Answers, this guide serves as a complete study companion for quick revision and exam success.

Units and Measurements Notes PDF: Complete SI Units, Dimensions & Physical Quantities for SSC, JEE & NEET

Physical Quantities, SI Units & Dimensions

No.	Physical Quantity	SI Unit	Dimension
1	Length	metre (m)	[L]
2	Mass	kilogram (kg)	[M]
3	Time	second (s)	[T]
4	Electric Current	ampere (A)	[I]
5	Temperature	kelvin (K)	[Θ]
6	Amount of Substance	mole (mol)	[N]
7	Luminous Intensity	candela (cd)	[J]
8	Area	m²	[L²]
9	Volume	m³	[L³]
10	Density	kg/m³	[ML⁻³]
11	Velocity	m/s	[LT⁻¹]
12	Acceleration	m/s²	[LT⁻²]
13	Momentum	kg·m/s	[MLT⁻¹]
14	Force	newton (N)	[MLT⁻²]
15	Impulse	N·s	[MLT⁻¹]
16	Work	joule (J)	[ML²T⁻²]
17	Energy	joule (J)	[ML²T⁻²]
18	Power	watt (W)	[ML²T⁻³]
19	Pressure	pascal (Pa)	[ML⁻¹T⁻²]
20	Stress	pascal (Pa)	[ML⁻¹T⁻²]
21	Strain	No Unit	[1]
22	Young's Modulus	Pa	[ML⁻¹T⁻²]
23	Bulk Modulus	Pa	[ML⁻¹T⁻²]
24	Shear Modulus	Pa	[ML⁻¹T⁻²]
25	Gravitational Constant	N·m²/kg²	[M⁻¹L³T⁻²]
26	Angular Velocity	rad/s	[T⁻¹]
27	Angular Acceleration	rad/s²	[T⁻²]
28	Torque	N·m	[ML²T⁻²]
29	Moment of Inertia	kg·m²	[ML²]
30	Frequency	hertz (Hz)	[T⁻¹]
31	Time Period	s	[T]
32	Spring Constant	N/m	[MT⁻²]
33	Surface Tension	N/m	[MT⁻²]
34	Coefficient of Viscosity	Pa·s	[ML⁻¹T⁻¹]
35	Kinematic Viscosity	m²/s	[L²T⁻¹]
36	Surface Energy	J/m²	[MT⁻²]
37	Heat	J	[ML²T⁻²]
38	Specific Heat Capacity	J/kg·K	[L²T⁻²Θ⁻¹]
39	Latent Heat	J/kg	[L²T⁻²]
40	Heat Capacity	J/K	[ML²T⁻²Θ⁻¹]
41	Electric Charge	coulomb (C)	[IT]
42	Potential Difference	volt (V)	[ML²T⁻³I⁻¹]
43	Electric Field	V/m	[MLT⁻³I⁻¹]
44	Electric Resistance	ohm (Ω)	[ML²T⁻³I⁻²]
45	Conductance	siemens (S)	[M⁻¹L⁻²T³I²]
46	Capacitance	farad (F)	[M⁻¹L⁻²T⁴I²]
47	Magnetic Flux	weber (Wb)	[ML²T⁻²I⁻¹]
48	Magnetic Flux Density	tesla (T)	[MT⁻²I⁻¹]
49	Inductance	henry (H)	[ML²T⁻²I⁻²]
50	Magnetic Field Strength	A/m	[IL⁻¹]
51	Resistivity	Ω·m	[ML³T⁻³I⁻²]
52	Electrical Conductivity	S/m	[M⁻¹L⁻³T³I²]
53	Permittivity	F/m	[M⁻¹L⁻³T⁴I²]
54	Permeability	H/m	[MLT⁻²I⁻²]
55	Electromotive Force (EMF)	volt (V)	[ML²T⁻³I⁻¹]
56	Current Density	A/m²	[IL⁻²]
57	Electric Dipole Moment	C·m	[ILT]
58	Polarization	C/m²	[ITL⁻²]
59	Magnetization	A/m	[IL⁻¹]
60	Magnetic Moment	A·m²	[IL²]
61	Luminous Flux	lumen (lm)	[J]
62	Illuminance	lux (lx)	[JL⁻²]
63	Luminous Energy	lumen·second	[JT]
64	Luminance	cd/m²	[JL⁻²]
65	Solid Angle	steradian (sr)	[1]
66	Plane Angle	radian (rad)	[1]
67	Wavelength	metre (m)	[L]
68	Wave Number	m⁻¹	[L⁻¹]
69	Wave Velocity	m/s	[LT⁻¹]
70	Intensity (Wave)	W/m²	[MT⁻³]
71	Refractive Index	No Unit	[1]
72	Focal Length	metre (m)	[L]
73	Power of Lens	dioptre (D)	[L⁻¹]
74	Magnification	No Unit	[1]
75	Optical Power	dioptre (D)	[L⁻¹]
76	Photon Energy	joule (J)	[ML²T⁻²]
77	Radiant Flux	watt (W)	[ML²T⁻³]
78	Radiant Intensity	W/sr	[ML²T⁻³]
79	Radiance	W/(m²·sr)	[MT⁻³]
80	Irradiance	W/m²	[MT⁻³]
81	Thermal Conductivity	W/(m·K)	[MLT⁻³Θ⁻¹]
82	Coefficient of Linear Expansion	K⁻¹	[Θ⁻¹]
83	Coefficient of Volume Expansion	K⁻¹	[Θ⁻¹]
84	Entropy	J/K	[ML²T⁻²Θ⁻¹]
85	Thermal Resistance	K/W	[M⁻¹L⁻²T³Θ]
86	Thermal Diffusivity	m²/s	[L²T⁻¹]
87	Heat Flux	W/m²	[MT⁻³]
88	Heat Transfer Coefficient	W/(m²·K)	[MT⁻³Θ⁻¹]
89	Specific Volume	m³/kg	[L³M⁻¹]
90	Compressibility	Pa⁻¹	[M⁻¹LT²]
91	Radioactive Activity	becquerel (Bq)	[T⁻¹]
92	Absorbed Dose	gray (Gy)	[L²T⁻²]
93	Dose Equivalent	sievert (Sv)	[L²T⁻²]
94	Catalytic Activity	katal (kat)	[NT⁻¹]
95	Molar Mass	kg/mol	[MN⁻¹]
96	Molar Volume	m³/mol	[L³N⁻¹]
97	Molar Concentration	mol/m³	[NL⁻³]
98	Specific Energy	J/kg	[L²T⁻²]
99	Specific Weight	N/m³	[ML⁻²T⁻²]
100	Mass Flow Rate	kg/s	[MT⁻¹]

Top 35 MCQs on Physical Quantities, SI Units & Dimensional Formula List for Competitive Exams

1. Which of the following is the SI unit of force?

A) Joule

B) Newton

C) Pascal

D) Watt

2. The dimensional formula of velocity is:

A) [LT⁻²]

B) [LT⁻¹]

C) [MLT⁻¹]

D) [L²T⁻¹]

3. Which physical quantity has the SI unit Pascal (Pa)?

A) Power

B) Pressure

C) Energy

D) Momentum

4. Which of the following is a fundamental physical quantity?

A) Density

B) Volume

C) Mass

D) Force

5. The SI unit of electric charge is:

A) Volt

B) Ampere

C) Coulomb

D) Ohm

6. Which physical quantity has no dimensions?

A) Force

B) Energy

C) Strain

D) Momentum

7. The SI unit of power is:

A) Joule

B) Watt

C) Newton

D) Pascal

8. Which quantity has the dimensional formula [ML²T⁻²]?

A) Pressure

B) Work

C) Velocity

D) Frequency

9. The SI unit of frequency is:

A) Hertz

B) Joule

C) Newton

D) Watt

10. Which physical quantity is measured in joules?

A) Pressure

B) Energy

C) Density

D) Velocity

11. The dimensional formula of acceleration is:

A) [LT⁻²]

B) [LT⁻¹]

C) [MLT⁻²]

D) [L²T⁻²]

12. Which is the SI unit of capacitance?

A) Weber

B) Henry

C) Farad

D) Tesla

13. Which quantity is measured in tesla?

A) Magnetic Flux

B) Magnetic Flux Density

C) Electric Field

D) Current Density

14. The SI unit of resistance is:

A) Siemens

B) Ohm

C) Volt

D) Coulomb

15. Which quantity has the dimensional formula [T⁻¹]?

A) Time Period

B) Frequency

C) Distance

D) Area

16. Which of the following is a derived quantity?

A) Length

B) Time

C) Temperature

D) Force

17. The SI unit of pressure is:

A) N/m

B) N/m²

C) J/m²

D) W/m²

18. Which quantity has the SI unit metre per second (m/s)?

A) Speed

B) Force

C) Energy

D) Pressure

19. The SI unit of momentum is:

A) kg·m/s

B) N·m

C) J/s

D) kg/m³

20. Which quantity has the dimensional formula [ML⁻³]?

A) Volume

B) Density

C) Pressure

D) Mass

21. The SI unit of inductance is:

A) Henry

B) Weber

C) Tesla

D) Farad

22. Which physical quantity is measured in kelvin?

A) Heat

B) Temperature

C) Energy

D) Entropy

23. The SI unit of electric potential difference is:

A) Volt

B) Coulomb

C) Ampere

D) Ohm

24. Which quantity has the SI unit W/m²?

A) Irradiance

B) Density

C) Charge

D) Resistance

25. The dimensional formula of force is:

A) [MLT⁻²]

B) [ML²T⁻²]

C) [MLT⁻¹]

D) [LT⁻²]

26. Which of the following is measured in lux?

A) Luminous Intensity

B) Illuminance

C) Luminous Flux

D) Brightness Energy

27. The SI unit of magnetic flux is:

A) Tesla

B) Weber

C) Henry

D) Volt

28. Which quantity has the SI unit kilogram per cubic metre (kg/m³)?

A) Pressure

B) Density

C) Mass

D) Specific Heat Capacity

29. The SI unit of thermal conductivity is:

A) W/(m·K)

B) J/kg·K

C) W/m²

D) Pa·s

30. Which physical quantity has the dimensional formula [L³]?

A) Area

B) Length

C) Volume

D) Density

31. Match the Physical Quantity with its SI Unit

Column A (Physical Quantity) Column B (SI Unit)

A. Force 1. Watt

B. Power 2. Joule

C. Energy 3. Newton

D. Pressure 4. Pascal

Options:

A) A–3, B–1, C–2, D–4

B) A–2, B–3, C–1, D–4

C) A–4, B–2, C–3, D–1

D) A–1, B–4, C–2, D–3

32. Match the Physical Quantity with its Dimensional Formula

Column A Column B

A. Velocity 1. [ML²T⁻²]

B. Acceleration 2. [LT⁻¹]

C. Force 3. [LT⁻²]

D. Work 4. [MLT⁻²]

Options:

A) A–2, B–3, C–4, D–1

B) A–3, B–2, C–1, D–4

C) A–4, B–1, C–3, D–2

D) A–1, B–4, C–2, D–3

33. Match the SI Unit with the Physical Quantity

Column A (SI Unit) Column B (Physical Quantity)

A. Tesla 1. Capacitance

B. Farad 2. Resistance

C. Ohm 3. Magnetic Flux Density

D. Weber 4. Magnetic Flux

Options:

A) A–3, B–1, C–2, D–4

B) A–1, B–4, C–3, D–2

C) A–4, B–2, C–1, D–3

D) A–2, B–3, C–4, D–1

34. Match the Physical Quantity with its SI Unit

Column A Column B

A. Frequency 1. kg/m³

B. Density 2. Hz

C. Electric Charge 3. Coulomb

D. Temperature 4. Kelvin

Options:

A) A–2, B–1, C–3, D–4

B) A–1, B–2, C–4, D–3

C) A–3, B–4, C–2, D–1

D) A–4, B–3, C–1, D–2

35. Match the Physical Quantity with its Dimensional Formula

Column A Column B

A. Pressure 1. [ML⁻¹T⁻²]

B. Momentum 2. [MT⁻²]

C. Surface Tension 3. [MLT⁻¹]

D. Density 4. [ML⁻³]

Options:

A) A–1, B–3, C–2, D–4

B) A–2, B–1, C–4, D–3

C) A–3, B–4, C–1, D–2

D) A–4, B–2, C–3, D–1