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JEE Mains 2026 Today 23 January Shift 1 Paper Analysis, Difficulty Level, Weightage & Answer Key

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JEE Mains 2026 Question Paper 23 January Shift 1, Session 1 – Complete Analysis (Live Updates)

The JEE Main 2026 23 Jan Shift 1 examination was conducted successfully from 9:00 AM to 12:00 noon across centres nationwide. The morning session concluded smoothly, with candidates reporting on time and no major issues or disruptions reported during the examination.


  • Based on student feedback and initial reactions, the Mathematics section was the toughest, featuring lengthy and calculation-intensive questions that demanded strong time management. 

  • Physics was rated moderate, with a mix of statement-based and numerical questions testing conceptual clarity. 

  • Chemistry was also moderate, though several students found it tricky due to concept-driven questions and fewer direct NCERT-based problems. 

  • Overall, the JEE Main 2026 January 23 Session 1 paper was considered moderate to tough and time-consuming.


Candidates can now access the memory-based JEE Main 2026 January 23 Shift 1 question paper PDF, along with detailed solutions and answer keys, on this page. A complete shift-wise paper analysis is also provided, covering the overall difficulty level, subject-wise review, topic-wise weightage, and question trends, helping students assess their performance and plan effectively for upcoming shifts.


JEE Main 2026 January 23 Shift 1 Question Paper and Solutions: PDF Download

The subject-wise JEE Mains 2026 January 23 Shift 1 question papers with solutions is now available with Complete detailed analysis. 


JEE Main 2026 January 23 Shift 1 Subject-Wise Paper Analysis and Student Reaction

The subject-wise analysis of JEE Main 2026 January 23 Shift 1 outlines the difficulty level, question pattern, and topic-wise weightage across Physics, Chemistry, and Mathematics. This analysis is prepared based on student feedback and early expert review, helping aspirants understand how each section performed in this shift.


JEE Main 2026 Question Papers 23 January Shift 1 - Analysis


JEE Main 2026 Jan 23 Shift 1 Physics Analysis

  • Overall Difficulty: Moderate

  • Nature: Statement-based, conceptual, and numerical

  • Comparison: Balanced but more time-consuming than expected

  • Expected Time Taken: 45–55 minutes

  • Out-of-Syllabus Questions: None


The Physics section was rated moderate by most students. A significant number of statement-based questions required careful reading and conceptual clarity. Some numerical problems involved long calculations, increasing time consumption. A few questions were asked from less frequently revised topics, which added to the perceived difficulty. Overall, the paper maintained a consistent and balanced level throughout.


Physics Important Topics Asked on JEE Main 2026 Jan 23 Shift 1 Physics Paper

Topic

Questions

Ray Optics

1

de Broglie Wavelength

1

Young’s Modulus

1

Current Electricity

1

Electrostatics

1

Capacitors

1

Rotational Motion

2

Moment of Inertia

1

Centre of Mass

1

Electromagnetic Induction (EMI)

2

Magnetic Effect of Current

1

Magnetism (Statement-based)

1

Wave Optics

1

Semiconductor

1


Note: No questions were asked from Kinematics, Fluids, Thermodynamics, Gravitation


JEE Main 2026 Jan 23 Shift 1 Mathematics Analysis

  • Overall Difficulty: Tough

  • Nature: Lengthy and calculation-intensive

  • Comparison: Tougher than Physics and Chemistry

  • Expected Time Taken: 80–90 minutes


Mathematics was the toughest section in this shift. The paper was very lengthy, with multiple questions requiring detailed calculations and multi-step solving. Calculus and 3D Geometry dominated the section, making time management crucial.


Mathematics Important Topics Asked on JEE Main 2026 Jan 23 Shift 1 Maths

Topic

Questions

Notes

Vectors & 3D Geometry

3

Lengthy

Conic Sections

2

Calculation-heavy

Matrices & Determinants

2

Standard

Sequence & Series

1

Indirect

Integration

4

Most dominant

Limits & Continuity

1

Conceptual

Straight Line & Circle

1

Direct

Probability

1

Standard

Quadratic Equations

1

Simple


JEE Main 2026 Jan 23 Shift 1 Chemistry Analysis

  • Overall Difficulty: Moderate and tricky

  • Nature: Concept-driven, less NCERT-direct

  • Weightage: Organic, Inorganic, and Physical almost equal


The Chemistry section was moderate but tricky. Questions were evenly distributed across all three branches. Unlike expectations, most questions were not directly NCERT-based, with only 1–2 questions being straight NCERT lines. Conceptual clarity played a key role in solving this section efficiently.


Chemistry Chapter-Wise Distribution – JEE Main 2026 Jan 23 Shift 1 Chemistry

Topic

Questions

General Organic Chemistry (GOC)

1

Isomerism

1

d-Block Elements

1

Chemical Kinetics

1


  • Organic, Inorganic, and Physical Chemistry had almost equal weightage

  • Questions were mixed across chapters

  • No out-of-syllabus questions were reported

Overall JEE Main 2026 January 23 Shift 1 Paper Review

  • Physics: Moderate and concept-based

  • Chemistry: Moderate but tricky

  • Mathematics: Tough and very lengthy


Overall, the JEE Main 2026 January 23 Shift 1 paper was rated moderate to tough, with Mathematics being the most challenging section. The paper was time-consuming, making accuracy and time management crucial for a good score.


How to Download JEE Main 2026 January 23 Shift 1 Question Paper PDF

Students can easily download the JEE Mains 2026 January 23 Shift 1 question paper PDF by following the steps given below. The PDF will be available after the exam is completed.


  1. Visit the Vedantu JEE Main question paper page.

  2. Scroll to the January 23 Shift 1 section.

  3. Choose the subject – Physics, Chemistry, or Mathematics.

  4. Click on the Download PDF link.

  5. The question paper with solutions will open in a new tab.

  6. Save the PDF to your device for offline use.


Note: The official question paper and expert-solved solutions will be uploaded once they are released and verified.


Important Study Materials Links for JEE Exams

FAQs on JEE Mains 2026 Today 23 January Shift 1 Paper Analysis, Difficulty Level, Weightage & Answer Key

1. How was the JEE Main 23 Jan Shift 1 paper overall?

The JEE Main 23 Jan Shift 1 paper was rated moderate to tough by most students. Mathematics was the toughest and most time-consuming section, while Physics and Chemistry were considered moderate but concept-driven.

2. What is the difficulty level of JEE Mains 2026 23 Jan Shift 1 paper?

As per the JEE Mains 2026 23 Jan Shift 1 paper review, the overall difficulty level was moderate to tough. The paper was lengthy, making time management crucial, especially in Mathematics.

3. How was today JEE Mains paper Shift 1 2026 according to students?

According to student feedback, today’s JEE Mains paper Shift 1 (2026) had tough Mathematics, moderate Physics, and moderate but tricky Chemistry. No out-of-syllabus questions were reported.

4. Is the JEE Main 2026 January 23 Shift 1 question paper memory based?

Yes, the JEE Main 2026 Memory Based Questions shared on this page are prepared using student recall and expert verification, reflecting the actual questions asked in the exam.

5. Where can I find the JEE Main 23 Jan Shift 1 question paper PDF?

You can download the JEE Main 23 Jan Shift 1 question paper PDF from Vedantu with complete detailed analysis. Subject-wise PDFs for Physics, Chemistry, and Mathematics are provided along with detailed solutions and answer keys.

6. Is the JEE Mains 2026 Shift 1 question paper 23rd PDF available for free download?

Yes, the JEE Mains 2026 Shift 1 question paper 23rd PDF is available for FREE download, including memory-based questions and expert-solved answers.

7. How can I download the JEE Main 23 Jan Shift 1 PDF?

To get the JEE Main 23 Jan Shift 1 PDF download, scroll to the subject-wise download section on this page and click on the respective PDF link for Physics, Chemistry, or Mathematics.

8. Are solutions and answer keys available for JEE Mains 23 Jan Shift 1?

Yes, JEE Mains 23 Jan Shift 1 answer keys and solutions are available along with the question paper PDFs, helping students cross-check their responses accurately.

9. What topics had the highest weightage in JEE Main 2026 Jan 23 Shift 1?

In JEE Main 2026 Jan 23 Shift 1, Mathematics saw higher weightage from Integration, Vectors & 3D Geometry, while Physics and Chemistry had balanced topic distribution across major chapters.

10. Is this JEE Mains 2026 review useful for upcoming shifts?

Yes, this JEE Mains 2026 review helps aspirants understand the paper pattern, difficulty level, and topic trends, making it useful for students appearing in upcoming shifts and sessions.

11. Does the JEE Main 23 Jan Shift 1 paper include out-of-syllabus questions?

No, students confirmed that the JEE Main 23 Jan Shift 1 question paper did not include any out-of-syllabus questions across Physics, Chemistry, or Mathematics.

12. What was the toughest section in JEE Main 2026 January 23 Shift 1?

Mathematics was reported as the toughest section in the JEE Main 2026 January 23 Shift 1 paper, mainly due to lengthy calculations and time-intensive problems.