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The National Testing Agency has started the Joint Entrance Examination (JEE Mains 2026) for Session 1, starting from Today. January 21, 2026. On the very first day of the JEE Mains 2026, NTA conducted Paper 1, i.e., the B.E/B.Tech paper, in two shifts: First Shift (09:00 A.M. to 12:00 Noon) and Second Shift (03:00 P.M. to 06:00 P.M.).
After the exam is over, we shared the subject-wise and shift-wise JEE Mains 2026 Jan 21 Exam analysis on this page. If you appear in the first shift, then stay tuned with us to get the JEE Mains Exam analysis and unofficial answer key of the January 21 shift 1.
JEE Mains 2026 Jan 21 Shift 1 Exam Analysis Out
Students who are taking this national-level entrance test on upcoming exam dates should consult the JEE Mains 2026 Jan 21 Paper Analysis to obtain an overall idea of their shift difficulty level. As the first shift is over, aspirants can access the detailed JEE Mains Paper Analysis and Unofficial answer key prepared by experts on this page.
The JEE Mains Exam Analysis 2026 January 21 Shift 1 is out. Students evaluated the JEE Main shift 1 day 1 paper as moderate to difficult; however, the questions were based on the syllabus. However, a few students stated that, despite the lengthy exam, the Maths section was easier to understand than the previous year’s. While Chemistry was easy and scoring, Physics had a moderate to difficult sight unlike the previous year.
How Does CollegeDost JEE Mains Paper Analysis Help?
We at CollegeDost provide you with the most accurate subject-wise JEE Mains Today Paper Analysis shift 1 for Physics, Chemistry, and Maths exam is detailed manner. This JEE Mains 2026 Jan 21 Paper analysis helps future aspirants to focus on the key areas and helps to make their exam approach more effective.
JEE Main 2026 Jan 21 Analysis Of Shift 1 Physics Paper
The physics section of the first shift was moderately difficult, with a mix of calculation-based and conceptual problems, allowing pupils to navigate the portion comfortably. It was easier than last year’s JEE Main. The paper was manageable for those who went through the required revision because the majority of the questions were formula-based.
JEE Main Paper Analysis 2026 Jan 21 Shift 1 Chemistry Paper
The Chemistry paper for JEE Main on January 21st, morning shift, was moderate, but it was more difficult than the previous year’s exam. Compared to last year, the exam had fewer direct questions and more formula-based ones.
The paper was achievable for those who went through the necessary revision. In Chemistry, the paper was more calculative, demanding a deeper comprehension, which led to time-management issues for certain students because they spent about 60-70 minutes in Chemistry.
JEE Main 2026 Jan 21 Analysis Shift 1 for Mathematics
In the first shift, the Maths section was moderately difficult. In comparison to Physics and Chemistry, the questions were shorter and required fewer calculations. Most questions were lengthy and difficult, requiring good time management and mathematical accuracy. Compared to recent JEE Main trends, the level of Mathematics in this shift was on the easier side due to complex calculations and multi-step problem solution.
Key Topics of JEE Main 2026 Jan 21 Shift 1
After the detailed JEE Mains 2026 Jan 21 Shift 1 Exam Analysis, we have listed some of the high-weightage topics from where questions are asked.
| Subject | High Weightage Topics |
| Chemistry | Coordination ChemistryChemical Bonding and Molecular Structure p-blockhemical and Ionic equilibriumMole conceptGeneral Organic ChemistryBiomoleculesChemical ThermodynamicsElectrochemistry and Redox Reaction. |
| Maths | Calculus, Vector Algebra, and 3D geometry, Quadratic equations, Sequence and seriesPnC and the probability concept combined.Straight lines, 1 question from a circleMatrices, which was a bit lengthySets and relations.Arithmetic and Geometric ProgressionConic Sections (1 related to parabola, ellipse, and hyperbola each), Application of Derivatives |
| Physics | Calculus, Vector Algebra, and 3D geometryQuadratic equationsSequence and seriesPnC and the probability concept combined.Straight lines, 1 question from a circleMatrices, which was a bit lengthySets and relations.Arithmetic and Geometric ProgressionConic Sections (1 related to parabola, ellipse, and hyperbola each), Application of Derivatives |
Subject-wise JEE Main 2026 Exam Difficulty Level Analysis
The difficulty level of the overall question paper was Moderate to Tough. Take a look at the subject-wise question paper analysis and difficulty level.
| Subjects | Difficulty Level |
| Mathematics | Tough |
| Chemistry | Easy |
| Physics | Moderate |
JEE Main 2026 Students Reaction Shift 1
After the completion of Shift 1, we have shared the exclusive feedback of the students who appeared in today’s exam. As per the student’s initial reaction to today’s exam, the difficulty level of today’s exam was moderate.
- Among all three subjects, Mathematics is rated as the toughest, with questions asked from Vector 3D, sequences and series, matrices, and differential equations
- As expected, the chemistry section was easy, and balanced questions were asked. Key areas are Organic, Physical Chemistry, and Isomerism
- The Physics section was rated between moderate and tough. Questions are asked from Modern Physics, Wave motions, and Fluids.
What is JEE Mains 2026 Paper 1 Exam Pattern?
As per the given schedule by NTA, the exam for Paper 1, i.e.,e B.E/BTech paper, is conducted in both shifts. The JEE Main exam for B.E/B. Tech will consist of 75 questions in Physics, Chemistry, and Mathematics. As per the JEE Mains 2026 Jan 21 Shift 1 Exam Analysis, there are no changes in the paper pattern or any out of syllabus question is reported.
Take a look at the key highlights of the JEE Mains paper 1 exam pattern and marking scheme.
| Particulars | Details |
| Examination Mode | Online (Computer-Based) |
| Duration of paper | 3 hours |
| Shift Timings | First Shift (09:00 A.M. to 12:00 Noon) Second Shift (03:00 P.M. to 06:00 P.M.). |
| Subjects | Physics, Chemistry, Mathematics |
| Question Types | 20 MCQs + 5 Numerical (per subject) |
| Subject-wise questions distribution | Physics – 25 Chemistry – 25 Mathematics – 25 |
| Numerical Value Questions | 5 per subject, all compulsory |
| Total Marks | 300 marks (100 per subject) |
| Marking Scheme | For Correct answer: +4 For incorrect answer: -1 |
JEE Mains 2026 January 21 Question Paper and Solutions
As the exam is conducted via computer based test and no physical hardcopy is available, we share the memory-based questions of Physics, Chemistry, and Maths in pdf format. It should be noted that these memory-based JEE Mains Jan 21 question papers are prepared based on the students who appeared in today’s first shift. Along with the JEE Mains Question paper 2026, using the unofficial JEE Mains Answer key, students can cross-check how many questions they mark correctly and help to estimate a probable score.
JEE Mains Answer Key 2026
All students who are looking for the JEE Main 2026 Jan 21 Answer Key are informed that the official answer key will be released by the National Testing Agency in the first week of February 2026. Along with the JEE Mains 2026 Answer key, the individual response sheet be issued via the candidate’s dashboard at jeemain.nic.in.
The NTA JEE Mains 2026 session 1 answer key allows students to cross-check their responses along with the official solutions. Candidates can use the JEE Main 2026 Jan 21 question paper with solutions to determine their expected results.
JEE Mains 21st Shift 1 Answer Key: Click here
Step by Step process to Calculate Scores Using an Answer Key
Check out the procedures below to determine your score using the JEE Main 2026 Jan 21 Question Paper and Solutions
- Use the JEE Mains Jan 21 shift 1 question paper answer key pdf to compare your answers to them.
- Record the number of correct and wrong answers.
- Once you have the numbers, enter them into the following formula:
Probable Scores = 4 X the number of correct answers- 1 X the number of incorrect answers.
JEE Mains Percentile Calculator
Once you are aware of your correct and incorrect responses, you can use the most advanced JEE Mains Advanced Percentile predictor tool developed by Collegedost at free of cost
Conclusion
The JEE Main 2026 Jan 21 Analysis Shift 1 by experts and students’ reaction is shared here. Using it, aspirants can strategise their preparation in line with the JEE Mains today paper analysis shift 1 difficulty level. Stay tunned fo the JEE Mains today paper analysis shift 2, which will be updated as soon as the shift is over.
Frequently Asked Questions
1. What is the difficulty level of the JEE Mains 2026?
The difficulty level of JEE Main session 1 tests was moderate to slightly difficult.
2. What is the date of JEE 2026 for Sessions 1 & 2?
JEE Main 2026 Exam dates for Session 1 are January 21, 22, 23, 24, and 28 for Paper 1, and January 29 for Paper 2, while Session 2 exams will be held from April 2-9, 2026.
3. Is JEE 2026 online or offline?
The JEE Main 2026 examination is held in Computer-Based Test (CBT), with Paper 1 (B.E./B.Tech) and Paper 2B (B. Planning) being entirely online; however, Paper 2A (B.Arch) has a unique hybrid mode, with the Math and Aptitude sections being online but the Drawing Test being offline (pen and paper).
4. What is the difficulty level of JEE Mains 21 Jan Shift 1 Paper?
The difficulty level of the JEE Mains 21 January Shift 1 was moderate,
5. How to download JEE Mains Answer Key 2026?
The NTA will release the official JEE Mains 2026 answer key along with responses sheet on its official website.
