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JEE Mains 2026 21 Jan Shift 1 Paper Physics Answer Key and Detailed Solutions PDF

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JEE Mains 2026 21 Jan Shift 1 Paper Live Updates – Check Complete Physics Paper Analysis

The JEE Mains 2026 21 Jan Shift 1 paper was conducted by NTA in CBT mode, with official exam-related updates available on jeemain.nta.nic. To help students understand the difficulty level, question pattern, and topic-wise weightage, Vedantu provides a detailed analysis of the JEE Mains today paper Shift 1, focusing on the Physics section.


The JEE Mains 2026 21 Jan Shift 1 Physics paper was the easiest among the three subjects, with direct, NCERT-based questions and no out-of-syllabus content. Overall, the paper focused on conceptual clarity over lengthy calculations, allowing well-prepared students to score comfortably.

JEE Mains 2026 Shift 1 Question Paper Analysis - Physics

JEE  Main 2026 21 Jan Shift 1 Paper Overall Difficulty Level

  • Physics was the easiest among the three subjects (Physics, Chemistry, Mathematics).

  • The paper was fully within the syllabus, with no out-of-syllabus questions.

  • Questions were mostly direct and concept-based, making them manageable for well-prepared students.


JEE  Main 2026 21 Jan Shift 1 Paper Key Highlight of the Paper

  • A microscope-related question appeared in the paper.

  • This topic is notable because it has not been asked in the last four years, making it a standout inclusion in this shift.


JEE Mains 2026 shift 1 Question Paper Chapter-wise Distribution of Questions (Physics)

Chapter / Topic

Number of Questions

Units and Dimensions

1

Semiconductor Electronics

1

Logic Gates

1

Modern Physics

2

Kinematics

1

Electrostatics

1

Current Electricity

1

Fluids

2

Elasticity

1

Wave Energy

1

Power and Focal Length

1

Circular Motion

0



Topic-wise Observations

  • Modern Physics and Fluids carried slightly higher weightage compared to other chapters.

  • No questions from Circular Motion, which was unexpected based on previous trends.

  • Strong emphasis on basic concepts and NCERT-aligned theory, especially in Modern Physics and Semiconductor topics.


Student Takeaway

  • Students with a clear understanding of NCERT concepts and basic formulas could score well in Physics.

  • Since the paper was less calculation-heavy, accuracy and concept clarity played a key role.

  • Revising rarely asked topics (like optical instruments) proved beneficial in this shift.


How to Download JEE Main 2026 January 21 Shift 1 Physics Question Paper PDF?

Students can download the JEE Main 2026 January 21 Shift 1 Physics question paper FREE PDF after the exam is completed by following the steps below.


  1. Visit the Vedantu website.

  2. Go to the JEE Main 2026 Question Paper and Solutions section.

  3. Select January 21 Shift 1 – Physics from the list.

  4. Click on the Download PDF link.

  5. The Physics question paper will open in a new tab.

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


Once available, expert solutions and paper analysis will also be shared on the same page to help students review their performance.


JEE Main 2026 Question Paper with Answer Key – January 21 Shift 1



JEE Mains 2026 21 Jan Shift 1 paper for Physics was largely NCERT-based, concept-driven, and student-friendly, making it one of the easier sections in this shift. By reviewing the JEE Mains 2026 Shift 1 question paper, students can better understand the exam pattern, identify high-weightage topics, and evaluate their performance accurately. Going through the detailed analysis and solutions will help aspirants refine their preparation strategy and approach upcoming JEE Main sessions with greater confidence.

FAQs on JEE Mains 2026 21 Jan Shift 1 Paper Physics Answer Key and Detailed Solutions PDF

1. How was today JEE Mains paper Shift 1 for Physics?

The JEE Mains today paper Shift 1 for Physics was considered easy to moderate by most students. Questions were largely NCERT-based, direct, and concept-focused, making the section manageable for well-prepared candidates.

2. What was the difficulty level of the JEE Mains 2026 21 Jan Shift 1 paper?

The JEE Mains 2026 21 Jan Shift 1 paper had an overall moderate difficulty level, with Physics being the easiest among the three subjects. The section tested conceptual clarity rather than lengthy calculations.

3. Was the JEE Mains 2026 Shift 1 question paper based on NCERT?

Yes, the JEE Mains 2026 Shift 1 question paper for Physics was completely aligned with the NCERT syllabus, and no out-of-syllabus questions were reported.

4. Which topics were asked in the JEE Mains 2026 21 Jan Shift 1 Physics paper?

The JEE Mains 2026 21 Jan Shift 1 paper included questions from Modern Physics, Fluids, Semiconductor Electronics, Electrostatics, Current Electricity, and Kinematics, with higher weightage given to Modern Physics and Fluids.

5. Was there any surprise element in the JEE Mains today paper Shift 1 Physics?

Yes, a microscope-related question appeared in the JEE Mains today paper Shift 1, which was notable as this topic had not been asked in recent years.

6. Are solutions available for the JEE Mains 2026 21 Jan Shift 1 Physics paper?

Yes, detailed solutions and answer keys for the JEE Mains 2026 21 Jan Shift 1 Physics paper are available on Vedantu to help students verify answers and analyse performance.

7. How can analysing the JEE Mains 2026 Shift 1 question paper help future aspirants?

Reviewing the JEE Mains 2026 Shift 1 question paper helps aspirants understand topic-wise weightage, question patterns, and difficulty trends, enabling better preparation for upcoming shifts and sessions.

8. Was the JEE Mains 2026 21 Jan Shift 1 Physics paper lengthy?

No, the JEE Mains 2026 21 Jan Shift 1 paper for Physics was not very lengthy. Most questions were straightforward, allowing students to attempt the section comfortably within the allotted time.