JEE Main Physics High Weightage Chapters 2025

The JEE Main Physics high weightage chapters 2025, according to the JEE Mains Physics Syllabus 2025, are Current Electricity, Wave Optics, Modern Physics, Rotational Dynamics, Centre Of Mass, Laws of Motion, Work, Energy, and Power and many others. 

Students may refer to the high-weightage chapter and highest-scoring topics to ace the JEE Main exam. 

JEE Main Physics High Weightage Chapters 2025

The weightage of chapters for JEE Main Physics 2025 is tabulated below with the parameters of the chapters, total questions, and respective weightage in descending order according to the NCERT textbooks. It is advised to check the weightage of chapters in JEE Main before preparing to understand the pattern of the question.

Also Read: JEE Main Physics High Weightage Chapters 2025

Highest Scoring Topics in JEE Main Physics

The highest-scoring physics topics for the JEE Main exam are electromagnetism, rotational motion, modern physics, and waves and oscillations. The sub-topics of all these topics are listed below:

• Modern Physics
  • Semiconductors; semiconductor diode: 1-V characteristics in forward and reverse bias diode as a rectifier, I-V characteristics of L.E.D. 
  • The photodiode, solar cell, and Zener diode; Zener diode as a voltage regulator.
  • Junction transistor, transistor action, characteristics of a transistor.
  • Transistor as an amplifier (standard emitter configuration) and oscillator.
  • Logic gates (OR. AND. NOT. NAND and NOR). Transistor as a switch.
  • Propagation of electromagnetic waves in the atmosphere, Sky, and space wave propagation. 
  • Need for modulation. 
  • Amplitude and Frequency Modulation, Bandwidth of signals. 
  • The bandwidth of the Transmission medium
  • Essential Elements of a Communication System (Block Diagram only).
  • Bohr Model
• Rotational Motion
  • Centre of the mass of a two-particle system
  • Centre of the mass of a rigid body
  • Basic concepts of rotational motion
  • moment of a force
  • torque, angular momentum, conservation of angular momentum and its applications
  • the moment of inertia
  • the radius of gyration
  • Values of moments of inertia for simple geometrical objects, parallel and perpendicular axes theorems, and their applications. 
  • Rigid body rotation equations of rotational motion.

Also Read: How to Study Physics for JEE Main 2025?

• Electromagnetism
  • Biot - Savart law and its application to the current carrying circular loop.
  • Ampere's law applies to infinitely long current carrying straight wire and solenoid. 
  • Force on a moving charge in uniform magnetic and electric fields. 
  • Cyclotron
  • Force on a current-carrying conductor in a uniform magnetic field. The force between two parallel currents carrying conductors-definition of ampere. 
  • Torque experienced by a current loop in a uniform magnetic field: Moving coil galvanometer, its current sensitivity, and conversion to ammeter and voltmeter.
  • Current loop as a magnetic dipole and its magnetic dipole moment. Bar magnet as an equivalent solenoid, magnetic field lines; Earth's magnetic field and magnetic elements. 
  • Para-, dia- and ferromagnetic substances. Magnetic susceptibility and permeability. 
  • Hysteresis
  • Electromagnets and permanent magnets.
• Waves and Oscillation
  • Periodic motion - period, frequency, displacement as a function of time. Periodic functions. Simple harmonic motion (S.H.M.) and its equation; phase: oscillations of a spring - restoring force and force constant: energy in S.H.M. - Kinetic and potential energies; Simple pendulum - derivation of expression for its period: Free, forced and damped oscillations, resonance.
  • Wave motion. Longitudinal and transverse waves, speed of a wave. Displacement relation for a progressive wave. Principle of superposition of waves, a reflection of waves.
  • They are standing waves in strings and organ pipes, fundamental mode and harmonics. Beats. 
  • Doppler Effect in sound.

Also Read: JEE Main Physics Important Formulas

More Accessible Topics for JEE Physics that are High Scoring

The easy topics of JEE main Physics that are also high scoring are electromagnetism, current electricity, heat, and thermodynamics. Students are advised to prepare each section very carefully to score good marks.

• Electromagnetism
  • Magnetic flux
  • Faraday's law of induction
  • Motional Electromotive force(I)
  • A.C. voltage applied to an inductor.
  • Motional Electromotive force(II)
• Current Electricity
  • Electric charges: Conservation of charge. Coulomb's law forces between two point charges, forces between multiple charges: superposition principle and continuous charge distribution.
  • Electric field: Electric field due to a point charge, Electric field lines. Electric dipole: Electric field due to a dipole. Torque on a dipole in a uniform electric field.
  • Electric flux. Gauss's law and its applications to find fields due to infinitely long uniformly charged straight wires, uniformly charged infinite plane sheets, and uniformly charged thin spherical shells. Electric potential and its calculation for a point charge, electric dipole and system of charges; Equipotential surfaces, Electrical potential energy of a system of two point charges in an electrostatic field.
  • Conductors and insulators. Dielectrics and electric polarization, capacitor, the combination of capacitors in series and parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates. Energy is stored in a capacitor.
• Heat and Thermodynamics
  • Thermal equilibrium, zeroth law of thermodynamics, the concept of temperature. Heat, work, and internal energy. 
  • The first law of thermodynamics. 
  • The second law of Thermodynamics, reversible and irreversible processes.
  • Carnot engine and its efficiency.

Also Read: JEE Main Physics Question Papers with Answer Keys PDF

JEE Main 2025 Recommended Books for Physics

The recommended books for JEE Main 2025 for physics are listed below, and students are advised to study and solve all the questions correctly to excel in the exam.

1. Concepts of Physics (Vol I & II) by H.C. Verma
2. Fundamentals of Physics by Halliday, Resnick, and Walker
3. Aptitude Test Problems in Physics by Krotov

Also Read: JEE Main Tips and Tricks 2025

Cracking JEE Main Exam 2025 needs strategic planning especially when it comes to the physics part. Candidate should focus on high-weightage topics mainly like current electricity, thermodynamics etc. These topics covers most of the part of Exam Quesion paper.