JEE Mains 2025 Jan Session-1 Day 2 Exam Analysis: Check Math, Physics, Chemistry Review

JEE Mains 2025 Session-1 Day 2 Shift-1 Exam Analysis
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Direct Questions:
- Around 45-50% of the questions in Physics and Chemistry were based on direct formulas and fundamental concepts.
- Several questions were similar to those in previous year JEE Main papers (2021 & 2022).
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NCERT-Based Questions:
- Many Chemistry questions were directly derived from NCERT textbooks, emphasizing the importance of thorough NCERT preparation.
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JEE Main 2025 Jan Session-1 Exam: Day 1, Shift 1 Subject Wise Analysis
Subject-Wise Analysis
Physics
- The Physics section was easy to moderate, with a focus on fundamental concepts and direct applications.
- Key topics included:
- Rotational Motion
- Motion in a Plane
- Fluid Dynamics
- Thermodynamics & Thermal Properties
- Projectile Motion
- Electric Circuits
- de Broglie Waves
- EM Waves
- Modern Physics
- Ray Optics
- Heat Transfer
- Dimensional Formula
- Work, Power, Energy
- Gravitation
Mathematics
- Mathematics was moderate but lengthy, with time-intensive problems.
- Topics covered:
- Circles: 1 question
- Differentiation: 1 question
- Statistics and Probability: 1 question each
- Vectors: 2 questions
- 3D Geometry: 1 question
- Series (Arithmetic Progression)
- Area (Circle and Curve)
- Matrices and Determinants: 1 question (Infinite Solutions)
- Binomial Theorem: 1 question (Number of Rational Terms)
- Permutation & Combination: 1 question (Vowels Together in "DAUGHTER")
- Inverse Trigonometry: 1 simple problem
- Continuity: 1 simple problem
- Equivalence Relation: 1 question
- Conics: 2 questions
- Differential Equation: 1 question
Chemistry
- Chemistry was moderate, heavily NCERT-focused.
- Key topics included:
- Atomic Structure: 2 questions
- Chemical Bonding: 2 questions
- Periodic Classification: 3 questions
- Biomolecules: 1 question
- Solutions: 1 question
- Electrochemistry: 1 question
- Thermodynamics: 1 question
- d- and f-Block Elements: 1 question
- p-Block Elements: 1 question
- Amines: 1 question
- Aromatic Compounds: 1 question
- Chemical Equilibrium and Energy: 1 question
- Chemical Kinetics: 1 question
- Radioactive Decay: 1 question
- Basic Organic Chemistry: 3-4 questions
- Coordination Compounds: 1 question
Student Feedback
- Mathematics: The lengthiest and most time-consuming section, requiring careful time management.
- Physics: Considered the easiest among the three sections, with straightforward, concept-based questions.
- Chemistry: Moderately difficult but heavily dependent on NCERT, making it manageable for students who focused on textbook preparation.
Preparation Takeaways for Upcoming Shifts
- Prioritize NCERT for Chemistry, especially for Organic and Inorganic topics.
- Focus on time management in Mathematics, particularly for lengthy problems.
- Revise previous year JEE Main papers, as a significant portion of questions are inspired by them.
- Emphasize core Physics concepts like Mechanics, Thermodynamics, and Modern Physics.
- Practice mock tests to improve speed and accuracy while managing lengthy calculations in Mathematics.
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JEE Mains 2025 Exam Day 2 Shift 2 Analysis
Overall Paper Difficulty:
- The overall difficulty of the JEE Mains 2025 paper was moderate.
- Mathematics: Hard and lengthy.
- Physics: Easy to moderate.
- Chemistry: Moderate.
- A significant number of questions were derived from previous years' JEE Mains papers.
Subject-Wise Analysis
Physics
The Physics section was a mix of easy to moderate questions, covering a wide range of topics:
- Wave Optics: 1 question
- Rotational Motion: 1 question
- Motion in a Plane: 1 question
- Fluid Dynamics: 1 question
- Thermodynamics: 1 question
- Thermal Properties: 1 question
- Electric Circuits: 1 question
- Electromagnetic (EM) Waves: 1 question
- Modern Physics: 1 question
- Ray Optics: 1 question
- Unit and Dimensional Formula: 2 questions
- Work, Power, Energy: 1 question
- Gravitation: 1 question
Mathematics
The Mathematics section was challenging, with lengthy calculations. Key topics included:
- Circles (mixed with Parabola): 1 question
- Differentiation: 1 question
- Applications of Derivatives: 1 question
- Statistics (Variance): 1 question
- Probability: 2 questions (easy)
- Vectors: 1 question
- 3D Geometry: 2 questions (Shortest distance and Perpendicular distance)
- Series (Quadratic + AP): 2 questions
- Area (Circle and Parabola): 2 questions
- Matrices and Determinants: 1 question
- Binomial Theorem (Coefficient): 1 question
- Permutation: 1 question
- Limits: 1 question
- Sets and Relations: 2 questions
- Conics (Parabola, Ellipse): 2 questions
- Differential Equations: 1 question
- Definite and Indefinite Integrals: 3 questions
- Complex Numbers: 1 question
Chemistry
The Chemistry section was moderate, with a balanced mix of organic, inorganic, and physical chemistry:
- Atomic Structure: 1 question
- Chemical Bonding: 1 question
- Periodic Classification: 1 question
- Biomolecules: 1 question
- Solutions: 2 questions
- Electrochemistry: 1 question
- Thermodynamics: 1 question
- d & f Block Elements: 1 question
- p-Block Elements: 1 question
- Aldehydes, Phenols, Alcohols: 3 questions
- Chemical Equilibrium and Energy: 1 question
- Chemical Kinetics: 1 question
- Basic Organic Chemistry: 2 questions
- Coordination Compounds: 1 question