JEE Main 2025 Physics Important Questions - PDF Download

The JEE Main exam is one of the most significant milestones for students aspiring to pursue engineering in prestigious institutions like the IITs and NITs. Among the three subjects in the JEE Main exam – Physics, Chemistry, and Mathematics – Physics is often considered challenging due to its combination of theoretical concepts and numerical problems. This makes it essential to have a clear understanding and strong preparation for this subject. One of the most effective ways to prepare for Physics is by practicing important questions, as they help you get familiar with the exam pattern and the types of questions you might face. To make your preparation easier, a "JEE Main 2025 Physics Important Questions PDF" can be a valuable resource that provides a collection of well-structured and high-quality questions.

The JEE Main 2025 Physics Important Questions PDF is designed to offer students a comprehensive set of questions covering all the major topics in the JEE Main syllabus. It contains various questions ranging from basic conceptual ones to advanced numerical problems. Practicing these questions helps students strengthen their understanding of the subject and develop problem-solving skills, essential for scoring well on the exam. By regularly working on these questions, students can identify their weak areas, focus on them, and gradually improve their performance.

One of the main advantages of downloading the Physics Important Questions PDF is that it provides easy access to a wide range of questions without having to search multiple books or websites. Everything you need is compiled in one place, saving you a lot of time and effort. This PDF is prepared by experienced teachers and experts who understand the JEE Main exam pattern and know the most important topics. Therefore, you can be confident that the questions included in the PDF are relevant and likely to help you prepare effectively for the exam.

Another key benefit of using the JEE Main 2025 Physics Important Questions PDF is that it helps students practice time management. The JEE Main exam is known for its time constraints, and many students need help to complete all the questions within the given time. By practicing regularly with the PDF, students can develop the habit of solving questions quickly and accurately. This practice not only improves speed but also builds confidence, reducing exam stress and anxiety.

Moreover, the PDF format is convenient for studying anytime and anywhere. You can download it on your phone, tablet, or laptop and access it whenever you have free time. This flexibility ensures that you make the most of your study time, even when you’re not at your desk. Whether you’re traveling, waiting for a class, or taking a break, you can easily open the PDF and practice a few questions.

The Physics Important Questions PDF also includes questions from different difficulty levels. This allows students to start with the basics and gradually move on to more complex problems. As you solve these questions, you’ll gain a deeper understanding of the fundamental concepts of Physics, which is crucial for answering both theoretical and numerical questions in the JEE Main exam. Many questions in the PDF are based on previous years’ exams, which gives you an idea of the types of questions that are frequently asked and helps you prepare accordingly.

In addition to practicing questions, the JEE Main 2025 Physics Important Questions PDF also serves as an excellent tool for revision. As the exam date approaches, revising all the topics can be overwhelming. However, by solving the questions in the PDF, you can revise the key concepts and formulas more efficiently. This ensures that you don’t miss out on any important topics and are well-prepared to tackle any question that comes your way during the exam.

In conclusion, the JEE Main 2025 Physics Important Questions PDF is a highly useful resource for students preparing for the JEE Main exam. It offers a collection of well-curated questions that help in thorough practice, effective revision, and time management. By downloading and regularly practicing with this PDF, students can build their confidence, enhance their problem-solving skills, and significantly improve their chances of scoring well in the Physics section of the JEE Main exam. Therefore, if you’re aiming to achieve success in JEE Main 2025, make sure to include this PDF in your study plan and make the most of this valuable resource.

Chapter-wise Important Questions for Physics

Preparing for exams like JEE Main or NEET can be challenging, especially when it comes to Physics, as it involves a mix of theory and numerical problems. One of the best ways to study effectively is by focusing on chapter-wise important questions. These questions are carefully selected to cover the key concepts and topics of each chapter, helping students understand what to expect in the exams.

 Chapter-wise important questions serve as a roadmap for your preparation. Instead of getting overwhelmed by the vast syllabus, you can concentrate on the crucial topics from each chapter. For example, chapters like "Kinematics," "Laws of Motion," "Work, Energy, and Power," and "Electrostatics" are fundamental in Physics, and practicing questions from these chapters helps in building a strong foundation. When you tackle chapter-wise questions, you become familiar with the types of problems that frequently appear in exams, making it easier to identify the important areas to focus on.

 These questions also aid in better understanding and retention of concepts. As you practice, you learn how to apply theoretical knowledge to solve numerical problems, which is a vital skill for scoring well. For instance, by working on questions related to Newton's Laws of Motion, you get a clear idea of how to apply these laws to different situations, making it easier to handle tricky questions in the exam.

 Furthermore, chapter-wise questions help you in quick revision. When you have a set of important questions ready for each chapter, you can revise them efficiently, ensuring that you don’t miss out on any key points.

Important Formulas Covered in JEE Main

Important Formulas of Physics for JEE Mains 2025

Kinematics Formulas:

• Average speed = Total distance/Total time

• Average velocity = Total displacement/Total time

• Acceleration = (Final velocity - Initial velocity) / Time taken

• Final velocity = (Initial velocity + Acceleration) × Time taken

• Displacement = (Initial velocity + Final velocity) / 2 × Time taken

Newton's Laws of Motion:

• $F = m \times a$ (Newton's Second Law of Motion)

• The force of friction $= \mu \times N$ (where $\mu$ is the coefficient of friction and N is the normal force)

• Weight $= m \times g$ (where g is the acceleration due to gravity)

• Impulse = force $\times$ time

• Law of Conservation of Momentum: Momentum before collision = Momentum after collision

Work, Energy, and Power Formulas:

• Work = force $\times$ displacement $\times$ $\cos \theta$

• Kinetic Energy $= 0.5 \times m \times v^2$

• Potential Energy $= m \times g \times h$

• Total Mechanical Energy = Kinetic Energy + Potential Energy

• Power = work done/time taken

Electric Charge and Fields Formulas:

• Electric Field = force per unit charge $= \dfrac{F}{Q}$

• Coulomb's Law: $F = \dfrac{k \times (q_1 \times q_2)}{r^2}$

• Electric Potential Energy $= q \times V$

• Electric Potential $= \dfrac{V}{d}$

Energy of electric dipole: $U = – \rho E$

Energy of a magnetic dipole: $U = – \mu B C$

Electric Charge: $Q = \pm ne$ (where $e = 1.60218 \times 10^{-29} C$), SI unit of Electric Charge is Coulomb ©

Coulomb’s Law: 

Electrostatic Force (F) $= k\left[\dfrac{q_1q_2}{r_2}\right]$ and,

In Vector Form :

• $\vec{F} = k(q_1q_2) \times \dfrac{\vec{r}}{r^3}$, 

Where $q_1$ and $q_2$ are Charges on the Particle,

r = Separation between them,

$\vec {r}$ = Position Vector,

$k$ = Constant $= \dfrac{1}{4}\pi \epsilon_0 = 8.98755 \times 10^9Nm^2C^2$

Electric Current :

• The current at Time $t : i = \underset{\Delta t \to 0}{lim} \dfrac{\Delta Q}{\Delta t} = \dfrac{dQ}{dT}$

      Where $\Delta Q$ and $\Delta T$ = Charges crosses an Area in time $\Delta T$

     SI unit of Current is Ampere (A) and 1A = 1 C/s

Average current density:

• $\vec{j} = \dfrac{\Delta i}{\Delta s}$

• $j = \underset{\Delta s \to 0}{lim}\dfrac{\Delta i}{\Delta s} = \dfrac{di}{dS}$

• $j = \dfrac{\Delta i}{\Delta S \cos \theta}$

Where, $\Delta S$ = Small Area,

$\Delta i$ = Current through the Area $\Delta S$,

P = Perpendicular to the flow of Charges,

$\theta$ = Angle Between the normal to the Area and the direction of the current.

Kirchhoff’s Law:

• Law of Conservation of Charge: $I_3 = I_1 + I_2$

Resistance:

• Resistivity : $\rho (T) = \rho (T_0)\left[1 + \alpha (T − T_0)\right]$

• $R (T) = R (T_0) \left[1 + \alpha (T−T_0)\right]$

Where, $\rho (T)$ and $\rho (T_0)$ are Resistivity at Temperature $T$ and     $T_0$ respectively,

$\alpha$ = Constant for a given material.

Lorentz Force :

• $\vec F = q\left[\vec E + (\vec v \times \vec B)\right]$

Where, E = Electric Field,

B = Magnetic Field,

q = Charge of Particle,

v = Velocity of Particle.

Magnetic Flux:

• Magnetic Flux through Area $dS = \varphi = \vec{B} \cdot d\vec{S} = B \cdot dS \cos \theta$

Where $d\vec{S}$ = Perpendicular vector to the surface and has a magnitude equal to are Ds,

$\vec{B}$ = Magnetic Field at an element,

$\theta$ = Angle Between $\vec{B}$ and $d\vec{S}$,

SI unit of Magnetic Flux is Weber (Wb).

Straight Line Equation of Motion (Constant Acceleration):

• $v = u + at$

• $s = ut + \dfrac{1}{2at^2}$

• $2as = v^2 − u^2$

Gravitational Acceleration Equation of Motion:

Motion in Upward Direction:

• $v = u - gt$

• $y = ut − \dfrac{1}{2gt^2}$

• $−2gy = v^2 − u^2$

Motion in Downward Direction:

• $v = u + gt$

• $y = ut + \dfrac{1}{2gt^2}$

• $2gy = v^2 − u^2$

Projectile Equation of Motion:

• Horizontal Range $(R) = \dfrac{u^2 \sin2θ}{g}$

• Time of Flight $(T) = \dfrac {2u \sin \theta}{g}$

• Maximum Height $(H) = \dfrac{u^2 \sin 2\theta}{2}$

Where, u = initial velocity,

v = final velocity,

a = constant acceleration,

t = time,

x = position of particle.

Laws of Gravity

Universal Law of Gravitation:

• Gravitational force $\vec{F} = G\left[\dfrac{Mm}{r^2}\right]^r$

Where, M and m = Mass of two Objects,

r = separation between the objects,

$\cap{r}$ = unit vector joining two objects,

G = Universal Gravitational Constant, $\left[G = 6.67 \times 10^{−11}Nm^2Kg^{-2}\right]$

Work Done by Constant Force:

• Work Done $W = \vec{F} \cdot \vec{S} = |\vec{F}| |\vec{S}| \cos \theta$,

Where, S = Displacement along a straight line,

F = applied force,

$\theta$ = Angle between S & F.

It is a scalar quantity and the Dimension of work is $\left[M^1 L^2 T^{-2}\right]$, SI unit of Work is the joule (J) and $1J = 1N \cdot m = Kgm^2s^{-2}$

Kinetic Friction:

• $f_k = \mu_k \cdot N$

• Maximum Static Friction (Limiting Friction): $f_{\text{max}} = \mu_s \cdot N$,

Where, N = Normal Force,

$\mu_k$ = Coefficient of Kinetic Friction,

$µ_s$ = Coefficient of Static Friction.

Simple Harmonic Motion:

• Force $(F) = – k x$ and $k = \omega^2 m$

Where, k = Force Constant,

m = Mass of the Particle,

x = Displacement and $\omega^2$ = Positive Constant.

Torque: 

The torque or vector moment or moment vector (M) of a force (F) about a point (P) is defined as:

• $M = r \times F$

Where r is the vector from the point P to any point A on the line of action L of F.

Important Formulas of Chemistry for JEE Main 2025

Ideal Gas Law: $PV = nRT$

Kinetic Energy of Gas Molecules: $KE = \left(\dfrac{3}{2}\right)RT$

$T(K) = T^\circ C + 273.15$

Molarity: $(M) = \dfrac{\text{No. of Moles of Solutes}}{\text{Volume of Solution in Liters}}$

Unit: $\text{mole}/{L}$

Molality: $(m)= \dfrac{\text{No. of Moles of Solutes}}{\text{Mass of solvent in kg}}$

Molecular Mass $= 2 \times$ vapor density

Atomic number = No. Of protons in the nucleus = No. Of electrons in the nucleus

Mass number = No. of protons + No. of neutrons C $= v \lambda$

Boyle’s Law: $P_1V_1 = P_2V_2$  (at constant T and n)

Charles’s Law: $\dfrac{V_1}{T_1} = \dfrac{V_2}{T_2}$ (at constant P and n)

Avogadro's Law: $\dfrac{V}{n}$ = constant, where V is the volume and n is the number of moles.

Dalton's Law of Partial Pressures: $P(\text{total}) = P_1 + P_2 + P_3 + …$, where P(total) is the total pressure and $P_1, P_2, P_3$, etc. are the partial pressures of individual gases in the mixture.

Enthalpy: $H = U + pV$

First Law of Thermodynamics: $\Delta U = q + W$

Ohm’s Law: $V = RI$

Faraday’s Laws:

• Faraday’s First Law of Electrolysis:

$M = Zit$

Z = Atomic Mass / n $\times$ F

• Faraday’s Second Law of Electrolysis:

$\dfrac{M_1}{M_2} = \dfrac{E_1}{E_2}$

Freundlich Adsorption Isotherm: 

$\left[\dfrac{x}{m}\right] - Kp^{\left(\dfrac{1}{n}\right)}; n \geq 1$

Henry's Law: $S = kH \times P$,

Where S is the solubility of a gas in a liquid, P is the partial pressure of the gas above the liquid, and H is Henry's law constant.

Nernst Equation: $E = E^\circ - \left(\dfrac{RT}{nF}\right)lnQ$,

Where E is the cell potential, $E^\circ$ is the standard cell potential, R is the gas constant, T is the temperature, n is the number of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.

Henderson-Hasselbalch Equation: $pH = pKa + log\left(\dfrac{[A^{-}]}{[HA]}\right)$

Where pH is the negative logarithm of the hydrogen ion concentration, pKa is the acid dissociation constant, $[A^{-}]$ is the concentration of the conjugate base, and $[HA]$ is the concentration of the acid.

Beer-Lambert Law: $A = \epsilon bc$

Where A is the absorbance, $\epsilon$ is the molar absorptivity, b is the path length, and c is the concentration.

Important Topics Covered in JEE Main 

 

Physics

Basic Concepts (1 Mark Each)

·   Units and Dimensions

·   Measurement of Errors

·   Vectors

Fundamental Concepts (2 marks each)

·   Kinematics

·   Newton’s Laws of Motion

·   Friction

JEE Main Important Topics (2 - 3 Marks Each)

·   Centre of Mass,

Momentum and Collision

·   Rotational Dynamics

·   Simple Harmonic Motion

·   Fluid Mechanics

·   Wave Motion and String

Waves

·   Magnetism

·   Heat &

Thermodynamics

·   Nuclear Physics

·   Modern Physics

Scoring Subject

·   Work, Energy, and Power

·   Electrostatics

·   Current Electricity

·   Wave Optics

·   Ray Optics

Topicwise Weightage Marks for Physics

 

Chemistry

Basic

Concepts (1 - 2 Mark Each)

·   IUPAC Nomenclature

·   Periodic Table

·   Chemical Bonding

JEE Main Important Topics (2 - 3 Questions)

·   Atomic Structure

·   Gaseous State

·   Hydrocarbons

·   Aldehydes and Ketones

·   d & f Block Elements

·   General Organic

Chemistry Scoring Subject

·   Mole Concept

·   Coordination Chemistry

·   Alcohol, Phenols and

Ethers

·   p-Block element

Topics Must Be Covered Once

·   Chemical Equilibrium

·   Ionic Equilibrium

·   Thermodynamics

·   Hydrogen and its

Compounds

·   s-Block Elements

·   Isomerism of Organic

Compounds

·   Environmental Chemistry

·   Solid State

·   Chemical Kinetics

·   Electrochemistry

·   Solutions

·   Qualitative Salt

Analysis

·   Alkyl Halides and Aryl

Halides

·   Carboxylic Acids and

their derivatives

·   Amines

·   Biomolecules

·   Polymers

·   Metallurgy

·   Surface Chemistry

·   Chemistry in Everyday Life

Previously Asked in JEE Main/Advanced

·   Transition Elements and

Coordination Chemistry

·   Periodic Table and

Representative Elements

·   Gaseous State

·   Atomic structure

·   Amines

·   Solution and

Colligative Properties

·   General Organic

Chemistry

·   Carboxylic Acids and

Derivatives

·   Hydrocarbons

·   Carbohydrate, Amino

Acids and Polymer

Marks Distribution Chemistry

 

Mathematics

Fundamental Section: (1 - 2 Mark Each)

·   Inverse Trigonometric

Functions

·   Circles and Family of

Circles

·   Sequence and Series

Scoring Subject (1 - 2 Marks Each)

·   Applications of

Derivative

·   Limit and Continuity

·   Matrices and

Determinants

·   Straight Lines and Pair

of Straight Lines

JEE Main Important Topics (2 - 3 Questions)

·   3-D Geometry

·   Probability and

Statistics

·   Vector Algebra

·   Integration

·   Differentiation

·   Complex Numbers

·   Parabola

·   Trigonometric Ratios

Topics Must be Covered Once

·   Logarithms

·   Quadratic Equations

·   Theory of Equations

·   Sets, Relations and

Functions

·   Permutation and

Combination

·   Binomial Theorem

·   Locus

·   Hyperbola

·   Ellipse

·   Fundamentals of

Mathematics

·   Solution of Triangle

Previously Asked in JEE Main/Advanced

·   Coordinate Geometry

·   Continuity/

Differentiability, Limits

·   Complex Numbers

·   Quadratic Equations

·   Integral Calculus

·   Sequences and Series

·   Trigonometry

Marks Distribution Chapterwise (Mathematics)

Students can practice other study materials with the JEE Main Physics Important Questions.

Physics has been a very interesting subject. Its use has significantly increased in every field whether it is technology, mechanical, science, research, etc. It appears to be difficult for some students as sometimes calculations are complex as they deal with many numerical and experiments. For students preparing for JEE Mains, it becomes more difficult for them. The syllabus is vast and the concepts require basic concepts to be cleared to solve any numerical problem. They have to be analytical and must have problem-solving skills. Here comes the role of practice. Students' practice is very important for you to crack the competitive exams. You will learn the ability to solve the problem with ease speed and accuracy. For students to practice the question there are many books available in the market and you can also download the study material from our website eSaral.com. The study material provided by us contains lots of numerical questions with simple illustrations to clear the concept and bring clarity and precision. You can then move on to the hard numerals and practice proving solving skills an improve your speed and accuracy. We will provide ample mock tests and sample papers so that you can practice solving them in real time find out your level of preparation work hard on weaknesses and improve accordingly.

How useful are Important Questions for the JEE Main Exam?

1. Understanding Exam Patterns and Frequently Asked Concepts

Important questions often reflect the type of questions that have appeared in previous years' exams or are based on the JEE Main syllabus's most vital topics. By practicing these questions, students become familiar with the exam's format, difficulty level, and the kind of concepts that are repeatedly tested. This familiarity helps students anticipate what might come in the actual exam, giving them a sense of confidence and preparedness.

For example, if a particular topic like "Electrostatics" in Physics or "Coordination Compounds" in Chemistry frequently shows up in important questions, students can prioritize these topics and master them, ensuring they are well-prepared for the exam.

2. Effective Time Management

The JEE Main exam has a limited time frame, and students need to solve 90 questions in 3 hours, which means they have only about 2 minutes per question. Practicing important questions helps students improve their speed and accuracy. By working on these questions regularly, they develop problem-solving techniques that enable them to quickly identify the right approach, reducing the time spent on each question during the actual exam.

When students are familiar with similar types of questions, they can solve them more swiftly, allowing them to allocate more time to difficult or unfamiliar questions in the exam. This effective time management can be a game-changer during JEE Main.

3. Strengthening Core Concepts

The JEE Main exam tests students on their understanding of fundamental concepts in Physics, Chemistry, and Mathematics. Important questions are designed to cover these core concepts in-depth. By practicing these questions, students reinforce their understanding of essential topics, making it easier to tackle complex problems.

For instance, working on important questions from calculus, such as limits, continuity, and integration, helps students grasp the core concepts better, enabling them to solve even the most challenging problems in the exam.

4. Boosting Confidence and Reducing Exam Anxiety

One of the biggest challenges students face during JEE Main preparation is anxiety and fear of the unknown. Practicing important questions can help reduce this anxiety, as students feel more prepared and confident about their knowledge. When they repeatedly solve questions that are likely to appear in the exam, they gain a sense of assurance about their preparation level. This confidence helps them stay calm during the exam, leading to better performance.

5. Focusing on High-Weightage Topics

The JEE Main syllabus is vast, and it can be overwhelming to cover every single topic in detail. Important questions help students identify high-weightage topics, allowing them to focus on areas more likely to earn them marks. This targeted approach ensures that students maximize their scoring potential without wasting time on less important topics.