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Important topics in Physics for JEE Main 2024: Physics remains challenging among JEE aspirants because it requires critical thinking and problem-solving skills. It has alot of significance in competitive exams like JEE Main and Advanced. In these exams, physics questions primarily evaluate conceptual knowledge, requiring a solid foundation and practical application for success.
The physics section in the JEE Main 2024 exam is typically of moderate difficulty, featuring a combination of numerical and concept-based questions. Some questions are relatively straightforward, making this section advantageous for scoring. The inclusion of formula-based numerical and clear conceptual questions contributes to its reputation.
To excel in JEE Main 2024 physics, a solid understanding of important topics in physics is essential for JEE Main 2024. This section comprises 30 questions, including five numerical value-based ones. Anticipate more numerical questions than fact-based ones, often derived from significant physics chapters for JEE Main.
Adequate preparation should commence with fundamental topics, as even concepts like unit and dimensions can aid in eliminating options in questions. The paper typically includes 2-3 theory-based questions, covering crucial areas like communication systems and semiconductors, emphasizing their importance for JEE Main 2024. Read this article and get complete details about the Important topics in Physics for JEE Main 2024.
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JEE Main 2024
JEE Main 2024 is the national-level engineering entrance exam in India. It provides access to various undergraduate engineering programs in institutions like NITs and IIITs. Aspiring engineers usually take this exam covering subjects like Physics, Chemistry, and Mathematics.
The JEE Main 2024 typically includes multiple-choice and numerical-based questions. Preparation involves understanding the syllabus, consistent practice, and effective time management. Aspirants often use coaching programs and mock tests. JEE Main 2024 aims to assess candidates’ knowledge, problem-solving skills, and analytical abilities for admission to top engineering institutions.
Important topics in Physics for JEE Main 2024
To secure a high score, focusing on specific pivotal chapters that have consistently held significant importance in previous JEE Main exams is vital. This guide classifies these crucial topics into easy and challenging segments based on the historical difficulty level of questions.
The essential issues for JEE Main Physics 2024 include rotational motion, thermodynamics, oscillating waves, electrostatics, optics, magnetic effects of current and magnetism, and modern physics. By prioritizing these chapters, you can target scoring over 60 marks on the Physics paper. The Complete details of Important topics of Physics for JEE Main 2024 are given below in a refined manner.
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Most Crucial topics of Physics for JEE Main 2024
Mastering the Physics section of the Joint Entrance Examination (JEE) Main can be challenging, especially when dealing with complex topics. These areas need a lot of practice and dedicated preparation to do well. The exam questions are often complex, involving tricky numerical problems and combining 2-3 concepts. Here, we list these complex topics that require extra attention.
| Physics Chapter | Key Topics |
| Rotational Motion | Centre of mass of a two-particle system, rigid body |
| Basic concepts of rotational motion, moment of force, torque | |
| Angular momentum, conservation and applications, moment of inertia | |
| Rigid body rotation equations | |
| Thermodynamics | Thermal equilibrium, zeroth law of thermodynamics, temperature |
| Heat, work, internal energy | |
| First law of thermodynamics | |
| Second law of thermodynamics, reversible and irreversible processes | |
| Carnot engine and efficiency | |
| Oscillations and Waves | Periodic motion, simple harmonic motion (S.H.M.) |
| Oscillations of a spring, simple pendulum, resonance | |
| Wave motion, longitudinal and transverse waves, reflection, refraction | |
| Doppler Effect in sound | |
| Electrostatics | Electric charges, Coulomb’s law, forces between point charges |
| Electric field, electric dipole, torque on a dipole | |
| Electric flux, Gauss’s law, electric potential | |
| Conductors, insulators, dielectrics, capacitor, energy stored in a capacitor | |
| Optics | Reflection, refraction of light, mirror formula |
| Total internal reflection, deviation, dispersion of light | |
| Lens Formula, magnification, power of a lens, combination of lenses | |
| Wave optics, interference, diffraction, polarization, Brewster’s law | |
| Magnetic Effects of Current and Magnetism | Biot-Savart law, Ampere’s law, force on a moving charge |
| Torque on a current loop, magnetic dipole moment | |
| Earth’s magnetic field, para-, dia-, and ferromagnetic substances | |
| Hysteresis, electromagnets, permanent magnets | |
| Modern Physics | Bohr’s model of atomic structure |
| Formula-based questions, understanding theoretical aspects |
Also Check: JEE Main 2024 Chapter Wise Weightage
Easy Chapters of Physics in JEE Main 2024
Strategically preparing for success in the Physics section of the Joint Entrance Examination (JEE) Main is crucial. To maximize your performance, it is advisable to concentrate on topics that are more likely to yield good scores, as mentioned above. In this segment, we introduce the topics considered easy to score in the JEE Main Physics paper. These areas are recognized for featuring relatively more straightforward questions, demanding minimal time and calculations to arrive at the correct answers.
| Physics Chapter | Key Topics |
| Current Electricity | Electric current, Drift velocity, Ohm’s law |
| Electrical resistance, Resistances of different materials | |
| V-I characteristics of Ohmic and non-ohmic conductors | |
| Electrical energy and power, Electrical resistivity | |
| Colour code for resistors, Series and parallel combinations | |
| Temperature dependence of resistance | |
| Electric Cell and its Internal Resistance | Potential difference and emf of a cell |
| Combination of cells in series and parallel | |
| Kirchhoff’s laws and their applications | |
| Wheatstone bridge, Metre Bridge, Potentiometer principle | |
| Applications of Potentiometer | |
| Electromagnetic Induction and Alternating Currents | Faraday’s law, Induced emf and current |
| Lenz’s Law, Eddy currents | |
| Self and mutual inductance | |
| Alternating currents, Peak and RMS value | |
| Reactance and impedance, LCR series circuit | |
| Resonance, Quality factor, Power in AC circuits | |
| Wattless current, AC generator and transformer | |
| Electronic Devices | Semiconductors, Semiconductor diode |
| 1-V characteristics in forward and reverse bias | |
| Diode as a rectifier, I-V characteristics of LED | |
| Photodiode, Solar cell, Zener diode | |
| Zener diode as a voltage regulator | |
| Junction transistor, Transistor action | |
| Characteristics of a transistor | |
| Transistor as an amplifier (common emitter configuration) | |
| Transistor as a switch | |
| Logic gates (OR, AND, NOT, NAND, and NOR) | |
| Communication Systems | Propagation of electromagnetic waves in the atmosphere |
| Sky and space wave propagation | |
| Need for modulation | |
| Amplitude and Frequency Modulation | |
| Bandwidth of signals, Bandwidth of the Transmission medium | |
| Basic Elements of a Communication System (Block Diagram only) |
Physics Chapters Weightage Analysis in JEE Main 2024
In JEE Main 2024 Physics, certain topics carry varying weightages, indicating their importance in the exam. Aspirants should strategically allocate study time based on this distribution to optimize their preparation. Here’s a breakdown of units, corresponding questions, and their weightages:
Also Read: JEE Mains 2024 Physics Syllabus
| Topics Weightage for JEE Main 2024 Physics | ||
| Units | Questions | Weightage (in %) |
| Current Electricity | 3 | 9.9 |
| Magnetic Effect of Current and Magnetism | 2 | 6.6 |
| Alternating Current | 2 | 6.6 |
| Kinetic Theory of Gases & Thermodynamics | 2 | 6.6 |
| Kinematics | 2 | 6.6 |
| Work, Energy, and Power | 2 | 6.6 |
| Laws of Motion | 2 | 6.6 |
| Centre of Mass | 2 | 6.6 |
| Rotational Dynamics | 2 | 6.6 |
| Modern Physics | 2 | 6.6 |
| Wave Optics | 2 | 6.6 |
| Electrostatics | 1 | 3.3 |
| Capacitors | 1 | 3.3 |
| Simple Harmonic Motion | 1 | 3.3 |
| Sound Waves | 1 | 3.3 |
| Elasticity | 1 | 3.3 |
| Error in Measurement | 1 | 3.3 |
| Circular Motion | 1 | 3.3 |
| Electromagnetic Waves | 1 | 3.3 |
| Semiconductors | 1 | 3.3 |
| Communication Systems | 1 | 3.3 |
Understanding this distribution enables candidates to prioritize their focus, ensuring a well-rounded preparation for JEE Main 2024 Physics. Effective time allocation based on weightage can enhance the chances of scoring well on the exam.
How do you prepare for Physics for JEE Main 2024?
In preparation for the JEE Main 2024, focus on mastering fundamental units, especially semiconductor devices and electromagnetic waves. Compile a list of confusing units and engage in extra reading, particularly in subjects like semiconductor devices. Enhance vector treatment skills, understand formula limitations, and move beyond memorization for deeper comprehension. These strategies and comprehensive syllabus coverage will strengthen your readiness for the JEE Main exam.
- Understanding Units: Make sure you know the units linked to different physical quantities to ensure everything is clear during the test.
- Unit Confusion Points: Create a list of units commonly mixed up, especially in semiconductor devices, electromagnetic waves, and communication systems, which are part of the JEE Main 2024 syllabus.
- Extra Reading: Take time for additional reading, especially in subjects like semiconductor devices, electromagnetic waves, and communication systems. More knowledge in these areas can significantly boost your scores.
- Thorough Grasp: Focus on understanding the topics unique to the JEE Main 2024 syllabus, giving extra attention to semiconductor devices, electromagnetic waves, and communication systems.
- NCERT Textbooks: Use NCERT textbooks to get a solid understanding of subjects, particularly in areas like semiconductor devices, electromagnetic waves, and communication systems.
- Vector Treatment Skills: Develop a solid ability to handle vectors, essential for solving problems in different sections of the JEE Main exam.
- Formula Limits: Know the limitations of standard formulas, like those in kinematics, specifically for scenarios with uniform acceleration.
- Beyond Formulas: According to experts, go beyond just memorizing formulas and aim for a deeper understanding of how to use them.
- Impact of Extra Reading: Encourage candidates to read more, as this can significantly improve their scores, especially in subjects like semiconductor devices, electromagnetic waves, and communication systems.
- Complete Syllabus Understanding: Emphasize the importance of thoroughly understanding all topics within the JEE Main 2024 syllabus, ensuring a well-rounded and comprehensive preparation.
Note: Common Mistakes that Every Student Should Avoid in JEE Main 2024
Frequently Asked Questions (FAQs)
Is JEE 2024 tough?
Experts rate the JEE Main 2024 as moderately to difficult.
What is the syllabus reduction for JEE 2024?
Yes, JEE Main 2024 sees a reduction, particularly in Chemistry, with six units and around 20 topics removed.
What is the importance of Units and Dimensions in JEE 2024?
It is very important, as it holds weightage in the JEE Main 2024 Physics exam.
