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JEE Main Session-1 Exam 2026: 23 Jan Shift-1 Analysis, Review & Question Paper with Answer Key
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JEE Main 2026 January 23 Shift 1 exam is over now. JEE Main 2026 January 23 Shift 1 student feedback and analysis is updated here. Additionally, the memory-based unofficial JEE Main 2026 answer key and question paper with solutions for the January 23 exam are also uploaded.
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Candidates can check the responses of JEE Main January 23, 2026, Shift 1 students, the difficulty level of questions, paper analysis, a memory-based question paper with answer key and solutions, etc.
Shift 2 will start at 03:00 PM and end at 06:00 PM. Candidates will have to show their JEE Main 2026 Session 1 admit card to enter the JEE Main 2026 exam centre for the shift 2 exam. Additionally, candidates will have to bring a government-issued photo identity card and a passport-sized photograph. Proper adherence to these entry requirements is necessary to attend the exam.
Paper 1 for BE/BTech candidates in JEE Main 2026 will be held on January 21, 22, 23, 24, and 28. Paper 2A and 2B for BArch and BPlan candidates are scheduled on January 29, 2026 from 9:00 AM to 12:30 PM.
👉 JEE Mains 2026 (22 January Shift-1 Physics) Question Paper and Answer Key
👉 JEE Mains 2026 (22 January Shift-1 Chemistry) Question Paper and Answer Key
👉 JEE Mains 2026 (22 January Shift-1 Mathematics) Question Paper and Answer Key
JEE Main Session 1 Memory-Based Paper 2026
| Exam Dates | Physics | Chemistry | Maths |
| 21 January 2025 | Shift - 1 | Shift - 1 | Shift - 1 |
| Shift - 2 | Shift - 2 | Shift - 2 | |
| 22 January 2025 | Shift - 1 | Shift - 1 | Shift - 1 |
| Shift - 2 | Shift - 2 | Shift - 2 | |
| 23 January 2025 | Shift - 1 | Shift - 1 | Shift - 1 |
| Shift - 2 | Shift - 2 | Shift - 2 | |
| 24 January 2025 | Shift - 1 | Shift - 1 | Shift - 1 |
| Shift - 2 | Shift - 2 | Shift - 2 | |
| 28 January 2025 | Shift - 1 | Shift - 1 | Shift - 1 |
| Shift - 2 | Shift - 2 | Shift - 2 |
JEE Main 2026 January 23 Shift 1 - Overall Paper Analysis
| Parameter | Details |
|---|---|
| Exam Date | January 23, 2026 |
| Shift | Shift 1 (Morning) |
| Timing | 9:00 AM to 12:00 PM |
| Total Questions | 75 (25 per subject) |
| Total Marks | 300 |
| Overall Difficulty | Moderate and Lengthy |
| Mode | Computer Based Test (CBT) |
| Comparison with Day 2 | Lengthier than January 22 |
JEE Main 23 January Shift 1 - Subject-wise Difficulty Level
| Subject | Difficulty Level | Remarks |
|---|---|---|
| Physics | Moderate | Conceptual questions from various topics |
| Chemistry | Moderate and Lengthy | Mixed concepts, JEE Advanced level questions |
| Mathematics | Tough | Lengthy calculations, time-consuming |
| Overall | Moderate and Lengthy | Chemistry consumed most time |
Quick Difficulty Comparison Table
| Subject | Jan 21 Shift 1 | Jan 21 Shift 2 | Jan 22 Shift 1 | Jan 23 Shift 1 |
|---|---|---|---|---|
| Physics | Easy-Moderate | Moderate | Moderate-Hard | Moderate |
| Chemistry | Tough & Lengthy | Easy | Easy | Moderate & Lengthy |
| Mathematics | Moderate | Tough | Easy | Tough |
| Overall | Moderate-Tough | Moderate | Easy-Moderate | Moderate & Lengthy |
Physics Analysis - JEE Main 23 Jan Shift 1
Difficulty Level: Moderate
Physics was balanced in this shift with conceptual questions from various chapters.
Key Topics Asked:
| Topic | Difficulty | Remarks |
|---|---|---|
| De-Broglie Wavelength | Moderate | Formula-based |
| Ray Optics | Moderate | Conceptual |
| Modern Physics | Moderate | Numerical problems |
| Electrostatics | Moderate | Theory + Numerical |
| Magnetic Effects of Current | Moderate | Application-based |
| Wave Optics | Moderate | Conceptual |
| Capacitors | Easy-Moderate | Direct formulas |
| Semiconductors | Easy | NCERT-based |
Student Feedback:
- Questions were concept-based
- Mix of Class 11 and Class 12 topics
- Manageable within time limit
- No unexpected or out-of-syllabus questions
Chemistry Analysis - JEE Main 23 Jan Shift 1
Difficulty Level: Moderate and Lengthy ⚠️
Chemistry was the GAME CHANGER in this shift! Questions had mixed concepts from two different topics - similar to JEE Advanced pattern.
Key Topics Asked:
| Topic | Difficulty | Remarks |
|---|---|---|
| d-Block Elements | Moderate | Multiple questions |
| Chemical Kinetics | Moderate-Hard | Numerical heavy |
| Organic Chemistry | Lengthy | Mixed concepts |
| Physical Chemistry | Moderate | Calculation intensive |
| Inorganic Chemistry | Moderate | Conceptual |
Student Feedback:
- Most time-consuming section
- Questions had mixed concepts from two different topics
- JEE Advanced level questions appeared
- Many students couldn't attempt all questions
- Required deep conceptual understanding
Mathematics Analysis - JEE Main 23 Jan Shift 1
Difficulty Level: Tough
Mathematics was challenging with lengthy calculations and time-consuming problems.
Key Topics Asked:
| Topic | No. of Questions | Difficulty |
|---|---|---|
| Vectors & 3D Geometry | 3-4 | Moderate-Hard |
| Matrices | 2-3 | Moderate |
| Conic Sections | 2-3 | Hard |
| Sequence and Series | 2 | Moderate |
| Calculus | 4-5 | Hard |
| Probability | 2 | Moderate |
| Algebra | 3-4 | Moderate |
Student Feedback:
- Calculations were lengthy
- Required strong problem-solving skills
- Time management was crucial
- Some questions were tricky
JEE Main 2026 Jan 23 Shift 1 - Complete Topics List
Physics Topics:
| Topic | Questions | Difficulty |
|---|---|---|
| De-Broglie | 1-2 | Moderate |
| Ray Optics | 2 | Moderate |
| Modern Physics | 2-3 | Moderate |
| Electrostatics | 2-3 | Moderate |
| Magnetic Effects of Current | 2 | Moderate |
| Wave Optics | 2 | Moderate |
| Capacitors | 1-2 | Easy-Moderate |
| Semiconductors | 1-2 | Easy |
Chemistry Topics:
| Topic | Questions | Difficulty |
|---|---|---|
| d-Block Elements | 3-4 | Moderate |
| Chemical Kinetics | 2-3 | Hard |
| Organic Chemistry | 6-7 | Lengthy |
| Physical Chemistry | 5-6 | Moderate |
| Coordination Chemistry | 2 | Moderate |
Mathematics Topics:
| Topic | Questions | Difficulty |
|---|---|---|
| Vectors & 3D | 3-4 | Hard |
| Matrices | 2-3 | Moderate |
| Conic Sections | 2-3 | Hard |
| Sequence & Series | 2 | Moderate |
| Calculus | 4-5 | Hard |
| Probability | 2 | Moderate |
Expected Marks vs Percentile - JEE Main 23 Jan Shift 1
Based on the moderate and lengthy difficulty level:
| Marks Range | Expected Percentile |
|---|---|
| 180-190+ | 99+ |
| 160-180 | 98-99 |
| 140-160 | 95-98 |
| 120-140 | 90-95 |
| 100-120 | 85-90 |
| 80-100 | 75-85 |
| 60-80 | 60-75 |
Note: Since this shift was lengthy, slightly lower marks may fetch higher percentile compared to easier shifts (due to normalization).
JEE Main 23 January 2026 Chemistry Shift 1 Question Paper with Answer Key Solutions
Here is JEE Main 23 January 2026 Chemistry question paper with answer key solutions for Shift 1.
| Q.No. | Question | Answers |
| 1 | Update Soon | Update Soon |
| 2 | Update Soon | Update Soon |
| 3 | Update Soon | Update Soon |
| 4 | Update Soon | Update Soon |
| 5 | Update Soon | Update Soon |
JEE Main 23 January 2026 Physics Shift 1 Question Paper with Answer Key Solutions
Here is JEE Main 23 January 2026 Physics question paper with answer key solutions for Shift 1.
| Q.No. | Question | Answers |
| 1 | Update Soon | Update Soon |
| 2 | Update Soon | Update Soon |
| 3 | Update Soon | Update Soon |
| 4 | Update Soon | Update Soon |
| 5 | Update Soon | Update Soon |
JEE Main 23 January 2026 Mathematics Shift 1 Question Paper with Answer Key Solutions
Here is JEE Main 23 January 2026 Mathematics question paper with answer key solutions for Shift 1:
| Q.No. | Question | Answers |
| 1 | Update Soon | Update Soon |
| 2 | Update Soon | Update Soon |
| 3 | Update Soon | Update Soon |
| 4 | Update Soon | Update Soon |
| 5 | Update Soon | Update Soon |
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