Class 11 Physics All Formula Chapter Wise: Revision Tables

Here is class 11 physics all formula chapter wise, from units and measurements to waves, with the third equation of motion, $v^2 = u^2 + 2as$ , standing for the many motion problems that fill the first term. Each chapter gets a short table: the formula, what it gives, its SI unit, and where on this site to read more.

The order follows the current NCERT Class 11 book used by CBSE and most state boards, so physics class 11 all formulas chapter wise can be revised in the same sequence as your classes. Mechanics fills the first half of the year, then properties of matter, heat, oscillations and waves. Looking for Class 12 physics all formulas chapter wise, or the Class 10 and Class 9 physics all formulas chapter wise lists instead? The Class 12 sheet, the Class 10 page and the formula sheets hub have them.

Quick facts

Chapters
14, units and measurements to waves
Most used
$v^2 = u^2 + 2as$ and $F = ma$
Value of g
9.8 m/s², 9.81 also used
Thermodynamics sign
NCERT: ΔQ = ΔU + ΔW, W done by the gas
Also used for
JEE Main and NEET mechanics
Symbols
u initial velocity, s displacement (US: v₀, Δx)

Chapters 1 to 3: measurement and motion

Units, straight line motion and motion in a plane
Formula	Gives	Unit	Detail
$\frac{\Delta Z}{Z} = \frac{\Delta A}{A} + \frac{\Delta B}{B}$	relative error when Z = AB or A/B	no unit	Dimensional formulas
$v = u + at$	speed reached after t seconds	m/s	Final velocity notes
$s = ut + \frac{1}{2}at^2$	displacement after time t	m	Displacement
$s_{n\text{th}} = u + \frac{a}{2}(2n - 1)$	distance covered in the nth second	m	Equations of motion
$T = \frac{2u\sin\theta}{g}$	time of flight of a projectile	s	Time of flight
$H = \frac{u^2\sin^2\theta}{2g}$	greatest height reached	m	Maximum height
$R = \frac{u^2\sin 2\theta}{g}$	horizontal range on level ground	m	Range
$a_c = \omega^2 r = \frac{v^2}{r}$	acceleration towards the centre of a circle	m/s²	Centripetal acceleration

Example 1: a football kicked at 35°

A ball is kicked at 24 m/s at 35° above level ground. Find its time of flight, greatest height and range.

Values: g = 9.8 m/s², sin 35° = 0.574 and sin 70° = 0.940.

$T = \frac{2(24)(0.574)}{9.8} = 2.81\ \text{s},\quad H = \frac{(24)^2(0.574)^2}{2(9.8)} = 9.67\ \text{m}$ .

$R = \frac{(24)^2(0.940)}{9.8} = \frac{541}{9.8} = 55.2\ \text{m}$ . Answer: about 2.8 s, 9.7 m and 55 m.

Chapters 4 and 5: laws of motion, work, energy and power

Forces and energy
Formula	Gives	Unit	Detail
$F = \frac{dp}{dt} = ma$	Newton's second law	N	Force
$J = F\Delta t = \Delta p$	impulse	N s	Impulse
$f_s^{max} = \mu_s N,\ f_k = \mu_k N$	limiting and sliding friction	N	Friction
$\tan\theta = \frac{v^2}{rg}$	angle of a banked road without friction	no unit	Banking of road
$W = Fs\cos\theta$	work done	J	Work
$K = \frac{1}{2}mv^2,\ U = mgh$	kinetic and potential energy	J	Work power energy sheet
$P = \frac{W}{t} = Fv$	power	W	Work and energy

Momentum is conserved in all collisions of an isolated system; kinetic energy only in elastic ones.

Chapters 6 and 7: rotation and gravitation

Rotational motion and gravity
Formula	Gives	Unit	Detail
$\vec{r}_{cm} = \frac{\sum m_i\vec{r}_i}{M}$	where a system balances: center of mass (centre of mass)	m	Center of mass
$\tau = rF\sin\theta = I\alpha$	torque and its effect	N m	Torque
$L = I\omega$	angular momentum	kg m²/s	Angular momentum
$I = I_{cm} + Md^2$	moving the axis a distance d away	kg m²	Moment of inertia
$F = \frac{Gm_1m_2}{r^2}$	attraction between two masses	N	Gravitation
$g_h = \frac{g}{(1 + h/R)^2}$	gravity at height h	m/s²	Acceleration due to gravity
$v_e = \sqrt{\frac{2GM}{R}} = \sqrt{2gR}$	escape speed	m/s	Escape velocity
$v_o = \sqrt{\frac{GM}{r}}$	orbital speed	m/s	Orbital velocity

Example 2: gravity above the surface

Find g at a height equal to half the radius of the Earth.

Here h/R = 0.5, so $g_h = \frac{9.8}{(1.5)^2} = \frac{9.8}{2.25} = 4.36\ \text{m/s}^2$ .

Answer: about 4.4 m/s². The small height form g(1 − 2h/R) would give 0, which shows why it only works when h is much less than R.

Chapters 8 to 10: solids, fluids and thermal properties

Properties of matter
Formula	Gives	Unit	Detail
$Y = \frac{F/A}{\Delta L/L}$	Young's modulus	Pa	Young's modulus
$P = P_0 + \rho gh$	pressure at depth h	Pa	Pressure
$P + \frac{1}{2}\rho v^2 + \rho gh = \text{constant}$	Bernoulli's principle	Pa	Fluids
$F = 6\pi\eta rv$	Stokes' law of viscous drag	N	Viscous force
$h = \frac{2T\cos\theta}{\rho rg}$	capillary rise	m	Surface tension
$\Delta L = \alpha L\,\Delta T$	linear expansion	m	Heat
$Q = mc\,\Delta T,\ Q = mL$	heating and change of state	J	Heat
$H = \frac{kA(T_1 - T_2)}{x}$	rate of conduction	W	Thermal conductivity

Stefan's law, $E = \sigma T^4$ , and Wien's law, $\lambda_m T = b$ , complete the radiation part of chapter 10, along with Newton's law of cooling.

Chapters 11 and 12: thermodynamics and kinetic theory

Heat, work and molecules
Formula	Gives	Unit	Detail
$\Delta Q = \Delta U + \Delta W$	first law, W done by the gas	J	First law of thermodynamics notes
$W = P\Delta V$	work at constant pressure	J	Thermodynamics
$C_p - C_v = R$	Mayer's relation for an ideal gas	J/(mol K)	Thermodynamics
$\eta = 1 - \frac{T_2}{T_1}$	efficiency of a Carnot engine	no unit	Thermodynamics
$P = \frac{1}{3}\rho v_{rms}^2$	gas pressure from molecular speeds	Pa	Pressure
$v_{rms} = \sqrt{\frac{3RT}{M}}$	rms speed of molecules	m/s	Speed

Temperatures in thermodynamics and kinetic theory must be in kelvin. Add 273 to the Celsius value first.

Chapters 13 and 14: oscillations and waves

Simple harmonic motion and waves
Formula	Gives	Unit	Detail
$x = A\sin(\omega t + \phi)$	displacement in SHM	m	Amplitude
$v = \omega\sqrt{A^2 - x^2}$	speed at displacement x	m/s	Frequency
$T = 2\pi\sqrt{\frac{m}{k}},\ T = 2\pi\sqrt{\frac{l}{g}}$	spring and simple pendulum periods	s	Period
$v = f\lambda$	speed of any wave from f and λ	m/s	Wave velocity
$v = \sqrt{\frac{T}{\mu}}$	wave on a stretched string	m/s	Speed of sound
$f_{beat} = \|f_1 - f_2\|$	beat frequency	Hz	Frequency

For pipes, an open pipe has all harmonics, $f_n = \frac{nv}{2L}$ , while a pipe closed at one end has only odd ones, $f_n = \frac{nv}{4L}$ with n odd.

How to revise class 11 physics all formula chapter wise

Group by idea, not by page. Rotation formulas mirror linear ones: τ for F, I for m, ω for v.
Check dimensions. Chapter 1 gives you a tool to test every other formula on this page.
Know the conditions. Equations of motion need constant acceleration; the pendulum formula needs small swings.
Practise the derivations. Boards often ask for the equations of motion, escape speed and the time period of a pendulum.

If you also want Class 12 physics all formula chapter wise, continue to the Class 12 sheet linked above. For focused revision, try the work power energy sheet or the kinematics hub.

Frequently asked questions

How many chapters are there in Class 11 physics?

The current NCERT book has 14 chapters, from units and measurements to waves. Some state boards order them slightly differently.

Which Class 11 chapters have the most formulas?

Motion in a plane, system of particles and rotational motion, gravitation, and mechanical properties of fluids carry the most. Thermodynamics and oscillations follow.

Is Class 11 physics important for JEE and NEET?

Yes. Mechanics, heat, oscillations and waves from Class 11 form a large part of both entrance syllabi.

What sign convention does NCERT use for the first law of thermodynamics?

NCERT writes ΔQ = ΔU + ΔW, where ΔW is the work done by the gas. US courses instead put ΔU = Q + W, counting work done on the gas. The physics is identical.

Should I memorise derivations as well as formulas?

For board exams, yes. Learn the steps for the equations of motion, projectile range, escape speed and a simple pendulum's time period.