JEE Mains 2025 Jan 28 Shift 1: Question Paper & Answer Key

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The JEE Mains 2025 January 28th Shift 1 examination has concluded and aspirants from all over the country have given their reviews regarding its difficulty and content. JEE Main is the most competitive examination and a milestone for students before they get into one of the premier engineering colleges. The analysis below would focus on subject-wise difficulty, structure, and solutions for each to understand their performance and strategy in preparing for the exams.

JEE Mains 2025 Examination

The test was conducted as a computer-based exam with a typical format that involved three sections – Mathematics, Physics, and Chemistry. The aim was to check how well students apply concepts to the real world or solve problems.

Though the total level of the paper was quite middle-range, there was much stress on time management for optimum attempts.

JEE Main 2025 Jan 28 Shift 1 Paper Download PDF

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JEE Mains Exam 2025 Important Points

  • Time duration: 3 hours
  • Divisions: Mathematics, Physics, Chemistry.
  • Grading Pattern: 4 for the correct response.
  • -1 for each of the wrong MCQs.
  • No negative marking on the numerical value-based questions.

Types of Question in JEE Mains Shift 1 Paper 2025

MCQs and numerical value-based questions

Analysis of Questions based on Subject Matter

1. Mathematics

This section of the paper was one of the longest and toughest part of the entire examination. The problems demanded in-depth knowledge about the concept and good memorization of the formulas. Most students found it lengthy for numerical value-based questions, so time management got even tougher for them.

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Important topics
  • Definite Integrals and Area under Curves
  • Probability and Statistics
  • Matrices and Determinants
  • 3D Geometry and Vectors

While some questions were easy, most involved complex calculations. This part put the student to test for solving problems and their analytical mind as Calculus and Algebra had major parts of the paper.

Student Feedback:

Students comment that questions were quite lengthy and barely any time to revise. Strong calculation speed along with clear concepts made this section accessible to the student.

2. Physics

Most students rated the question paper as being moderate to challenging. The question paper was composed of a variety of conceptual and formula-based questions that required accuracy as well as clearness. Subjects like Mechanics, Modern Physics, and Thermodynamics weighed more.

Important topics
  • Work, Energy, and Power
  • Optics
  • Electromagnetic Waves
  • Current Electricity

Questions in Physics- Numerical Type were not very taxing but required the student to answer them accurately. Some questions relied directly to the NCERT content, which would be a comfort for well-revisioned students.

Student Feedback:

The Physics section was a bit tough because of the conceptual depth involved. However, students who studied from NCERT textbooks and solved numerical problems were doing well.

3. Chemistry

Chemistry was the easiest section in this shift. It is dominated by NCERT-based questions. It was scoring for most aspirants. Physical Chemistry included a few tricky numerical problems. Organic and Inorganic Chemistry were direct and theoretical.

Important topics
  • Chemical Bonding
  • Coordination Compounds
  • Thermodynamics
  • Biomolecules
  • Discussion mainly over the chapters of NCERT helped to impart an edge to the students as most of the questions were quite straightforward and just required less additional calculation.
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Student Feedback 

Students felt that this chapter was very easy and this chapter increased the confidence of students at the time of examination. Students who have revised NCERT properly were much ahead.

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JEE Mains 2025: Exam Pattern 

The JEE Main 28th January Shift 1 exam followed the standard pattern. Here is a quick recap:

  • Total Questions: 90 (30 per section).
  • MCQs: 20 per section.
  • Numerical Value-Based Questions: 10 per section (attempt any 5).
  • This pattern made it identical to earlier shifts, hence providing the students with a balanced chance to write the paper.
Student Reactions and Feedback

The students’ responses after the test gave a clue to their experiences.

  • Mathematics: This was the most difficult for the students who said that the time factor is the main cause of difficulty.
  • Physics: While Physics required a solid understanding of concepts, students appreciated that some questions were directly formula-based.
  • Chemistry: Most students found Chemistry to be easy and scoring, with NCERT-based questions dominating the section.

Common Challenges with JEE Mains 2025 January 28th Shift 1 examination

  • Time management was a recurring issue, especially in Mathematics.
  • Physics required precise conceptual clarity, which some students struggled with.
  • Numerical value questions, though fewer in number, were time-intensive.

JEE Mains 2025 January 28th Shift 1 Exam Analysis

Experts said students’ feedback matched their analysis of the JEE Mains 28th January Shift 1 test. Overall, the paper was of moderate difficulty. Mathematics was the toughest paper, and Chemistry was the easiest.

Preparation Tips Based on This Shift:

  • Mathematics: Strong calculations in length, numerical problems. Top topic areas are Calculus, Algebra, and Coordinate Geometry.
  • Physics: Develop conceptual clarity and also memorize formulas well. Improve accuracy with numerical problems.
  • Chemistry: Focus on NCERT textbooks for Organic and Inorganic Chemistry. For Physical Chemistry, focus on solving numerical questions.
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JEE Main 2025 Answer Key Download PDF

Students can now download the question paper and detailed solutions for the JEE Mains 28th January Shift 1 exam. These solutions are step-by-step explanations for each question, allowing aspirants to verify their answers and understand problem-solving techniques.

How to Download the JEE Mains Shift 1 Jan 28 Solutions:

  • Visit the official portal of JEE Main or trusted coaching institute websites.
  • Download the PDF solutions of the 28th January Shift 1 paper.
  • Use these solutions to analyze your performance and the areas where you need improvement.

Time Management Tips for Future Shifts

Time management is a critical factor for this shift. Students preparing for future shifts must focus on the following:

  • Prioritize Easy Questions: Begin with the sections or questions you find easy to maximize attempts.
  • Do not indulge in time-consuming calculations initially: Complex numericals are attempted only after some simple ones.
  • Allocate equal time to all: Time should be assigned for every segment to make performance even.

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Conclusion

JEE Mains 28th January Shift 1: This test had the students on a challenge about conceptual clarity, problem-solving, and time management. While mathematics turned out to be the tough segment, physics and chemistry have kept it well balanced. Those students who have done well are the ones who prepared and managed time accordingly.

The preparation strategies for the next shift for aspiring candidates include revising NCERT concepts, attempting mock tests, and practicing time-bound problem-solving skills. The solutions and answer keys for this shift are available and can be of great value in assessing and enhancing the performance.

In conclusion, as competition levels increase, continued preparation with an effective strategy would be crucial for success in JEE Main exams.

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