Physics is one of the major subjects in classes 11 and 12, which is also very important for the board exams as well as the competitive exams like JEE and NEET. Students aiming to score high in physics must not only grasp the concepts but also should remember the formulas and apply them correctly. Knowing the physics formulas will enable students to solve numerical problems in a very short time and lessen the chance of making mistakes.
Since the syllabus of class 11 and class 12 covers so many subjects, it is very important to have a proper list of physics formulas. When students have a well-organized collection of class 11 physics formulas and class 12 physics formulas they can revise their syllabus efficiently and keep their exam nervousness under control.
To facilitate the students’ practice, a physics formulas PDF is made available for download at the end of the post.
Why Is Learning Physics Formulas Important?
Learning physics formulas is the foundation of exam preparation for science students. These formulas act as a bridge between theoretical concepts and numerical problem-solving.
Key benefits include:
Faster problem-solving during time-bound exams
Improved accuracy in board exam answers
Better understanding of core concepts
Essential preparation for competitive exams like JEE Main, JEE Advanced, and NEET
Students who revise formulas regularly often find Physics more manageable and scoring. This becomes even more effective when supported by structured learning, whether through self-study or guidance from an online physics tutor.
Class 11 Physics Formulas – Chapter-Wise
1. Units and Measurements
Absolute error = Mean value − Measured value
Percentage error = (Absolute error / Mean value) × 100
2. Motion in a Straight Line
Velocity = Distance / Time
Acceleration = Change in velocity / Time
Equations of motion:
v = u + at
s = ut + ½at²
v² = u² + 2as
3. Motion in a Plane
Time of flight = 2u sinθ / g
Maximum height = u² sin²θ / 2g
Range = u² sin2θ / g
Relative velocity = v₁ − v₂
4. Laws of Motion
Force = mass × acceleration (F = ma)
Momentum = mv
Impulse = Change in momentum
Friction = μN
5. Work, Energy and Power
Work = Force × displacement
Kinetic energy = ½mv²
Potential energy = mgh
Power = Work / Time
6. System of Particles & Rotational Motion
Torque = r × F
Angular momentum = Iω
Moment of inertia (ring) = MR²
7. Gravitation
Universal law: F = Gm₁m₂ / r²
Escape velocity = √(2gR)
Orbital velocity = √(GM/r)
8. Mechanical Properties of Solids
Stress = Force / Area
Strain = Change in length / Original length
Young’s modulus = Stress / Strain
9. Mechanical Properties of Fluids
Pressure = Force / Area
Bernoulli’s equation:
P + ½ρv² + ρgh = constant
10. Thermodynamics
First law: ΔQ = ΔU + ΔW
Efficiency of heat engine = Work output / Heat input
11. Kinetic Theory of Gases
RMS speed = √(3RT/M)
Pressure = ⅓ρv²
12. Oscillations
Time period of SHM = 2π√(m/k)
Total energy in SHM = ½kA²
13. Waves
Wave speed = Frequency × Wavelength
Doppler effect formula (basic form)
Class 12 Physics Formulas – Chapter-Wise
1. Electric Charges and Fields
Coulomb’s law: F = kq₁q₂ / r²
Electric field = Force / Charge
2. Electrostatic Potential and Capacitance
Potential due to point charge = kq / r
Energy stored in capacitor = ½CV²
3. Current Electricity
Ohm’s law: V = IR
Resistivity = RA / l
Wheatstone bridge condition: P/Q = R/S
4. Moving Charges and Magnetism
Magnetic force = qvB sinθ
Biot–Savart law
Ampere’s circuital law
5. Magnetism and Matter
Magnetic susceptibility = M / H
Hysteresis loop basics
6. Electromagnetic Induction
Faraday’s law: EMF = −dΦ/dt
Lenz’s law
7. Alternating Current
Inductive reactance: XL = ωL
Capacitive reactance: XC = 1/ωC
Impedance: Z = √(R² + (XL − XC)²)
8. Electromagnetic Waves
Speed of EM waves: c = 1/√(μ₀ε₀)
Relation: E/B = c
9. Ray Optics and Optical Instruments
Mirror formula: 1/f = 1/v + 1/u
Lens formula: 1/f = 1/v − 1/u
Magnification = v/u
10. Wave Optics
Young’s double slit experiment: β = λD/d
Diffraction (single slit) formula
11. Dual Nature of Radiation and Matter
Einstein’s photoelectric equation
De Broglie wavelength = h/p
12. Atoms
Radius of orbit = n²a₀
Energy levels = −13.6/n² eV
13. Nuclei
Binding energy = Δmc²
Radioactive decay law: N = N₀e⁻ˡᵗ
14. Semiconductor Electronics
Diode characteristics (basic equation)
Logic gates fundamentals
Transistor current relations
Physics Formulas PDF – Download Here
A comprehensive physics formula PDF containing class 11 and class 12 formulas is available for download.
This PDF is ideal for:
Quick revision before exams
Last-minute practice
Concept reinforcement
It is especially helpful for students taking home tuition for physics class 12, where regular formula revision is essential.
Tips to Memorize Physics Formulas Easily
- Make formula flashcards
- Practice numerical problems regularly
- Create chapter-wise mind maps
Revise formulas daily, either through self-study or with help from an online physics tutor or physics home tutor
FAQs
Q1. How can I memorize physics formulas quickly?
By simply knowing the concepts very well, one can carry out the revision of the formulas every day along with the practice, whether through self-study or physics private tuitions.
Q2. Are these formulas useful for JEE and NEET?
Indeed, these formulas constitute the basis not only for the board exams but also for JEE and NEET, and are commonly revised with support from a Physics tutor for NEET or an online Physics tutor for IIT JEE.
Q3. Can I download the Class 11 and 12 physics formulas PDF?
Yes, there is a provision of a downloadable PDF for easy access, often used alongside online physics tuition and home tuition for physics.
Q4. How many formulas are there in Class 12 Physics?
There are roughly 150 to 200 formulas spread across all the chapters, usually covered in Physics classes in Delhi, Physics tuition in Noida, and similar academic setups.
Conclusion
Physics formulas are the key to success in Class 11 and 12 board exams as well as in competitive exams like JEE and NEET. Consistent revision and practice of formulas lead to improvement in accuracy, speed, and understanding of concepts. Students can efficiently revise and remain confident by following the organized physics formulas list and the downloadable PDF. For guided learning and strong conceptual support, Physics Point, known among students as a best physics online tutor platform and home tuition support system, helps learners build a solid foundation in physics and prepare better for exams.