Physics Wallah

JEE Main 2026 January 28 Shift 1 & Shift 2 Answer Key PDF for Physics, Chemistry & Maths (Unofficial)

JEE Main 2026 January 28 Shift 1 answer key PDFs are available separately for Physics, Chemistry, and Mathematics. These memory-based, unofficial keys allow candidates to verify responses, estimate scores using the official marking scheme, and identify section-wise strengths and weaknesses.
authorImagePriyanka Dahima12 Feb, 2026
Share

Share

JEE Main 2026 January 28 Shift 2 Chemistry Exam Analysis

The memory-based JEE Main 2026 January 28 answer keys for Shift 1 and Shift 2 have been released for all three subjects—Physics, Chemistry, and Mathematics. These unofficial, subject-wise PDFs are prepared using questions recalled by students and reviewed by experts to help candidates analyse their performance immediately after the exam.

JEE Main 2026 January 28 Shift 1 Answer Key – Subject-Wise PDFs

The memory-based JEE Main 2026 January 28 answer key PDFs for Shift 1 and Shift 2 are now available separately for Physics, Chemistry, and Mathematics. These unofficial JEE Main answer keys allow students to check their answers soon after the exam, get an idea of their expected score, and understand how they performed in each section.

The JEE Main 2026 Jan 28 Shift 1 and Shift 2 answer keys have been created using questions remembered by students and carefully reviewed by subject experts for better accuracy. Although these PDFs are helpful for early score estimation and exam review, candidates should rely only on the official NTA answer key on the JEE Main website for final marks and results.

2880X540 scs

Physics Answer Key – JEE Main 2026 28 Jan Shift 1

The JEE Main 2026 January 24 Shift 1 Physics answer key is prepared using memory-based questions recalled by candidates after the exam. This unofficial Physics answer key PDF is compiled from student feedback and reviewed for accuracy to help aspirants verify responses and estimate tentative scores before the official NTA key is released.

Physics Answer Key – JEE Main 2026 28 Jan Shift 1

Chemistry Answer Key – JEE Main 2026 28 Jan Shift 1

The unofficial Chemistry answer key covers questions from Physical, Organic, and Inorganic Chemistry, prepared using memory-based inputs from students for early response verification.

Chemistry Answer Key – JEE Main 2026 28 Jan Shift 1

Mathematics Answer Key – JEE Main 2026 28 Jan Shift 1

The unofficial Mathematics answer key includes questions from Algebra, Calculus, Coordinate Geometry, Vectors, and 3D Geometry, prepared using memory-based student inputs for early evaluation.

 

Mathematics Answer Key – JEE Main 2026 28 Jan Shift 1

JEE Main 2026 January 28 Shift 2 Answer Key – Subject-Wise PDFs

Candidates who appeared in the evening shift can check the jee mains 2026 shift 2 answer key and jee main 28 jan shift 2 answer key below.

Physics Answer Key – JEE Main 2026 28 Jan Shift 2

The Physics unofficial (memory-based) answer key has been released for the evening shift. Candidates can use it for early performance analysis.

 

Physics Answer Key – JEE Main 2026 28 Jan Shift 2

Chemistry Answer Key – JEE Main 2026 28 Jan Shift 2

The Chemistry memory-based unofficial answer key was released, prepared using student feedback and expert review.

 

Chemistry Answer Key – JEE Main 2026 28 Jan Shift 2

Mathematics Answer Key – JEE Main 2026 28 Jan Shift 2

The Mathematics unofficial answer key was released to help candidates estimate their probable scores.

 

Mathematics Answer Key – JEE Main 2026 28 Jan Shift 2

How to Use JEE Main 2026 Session 1 Unofficial Answer Key

Candidates can follow these steps for quick self-verification:

  • Match your question ID with the answer in the PDF

  • Compare your selected option carefully

  • Follow the official marking scheme (+4, −1) only for rough estimation

  • Do not treat the unofficial key as final

  • Wait for the NTA key for confirmed scores

Difference Between Official and Unofficial JEE Main Answer Key

The JEE Main answer key 2026 session 1 released by NTA is the only valid reference for results.

Unofficial Answer Key Official Answer Key
Based on student memory Released by NTA
Available on exam day Released after all shifts
For early checking Used for final evaluation
May have minor variations Considered final

Related JEE Main 2026 Pages 

 

JEE Main 2026 January 28 Answer Key FAQs

Is this JEE Main 2026 answer key official?

No, This is a memory-based unofficial answer key prepared using student inputs and expert review.

Can marks differ from the official answer key?

Yes. Minor variations are possible. Final scores depend only on the NTA official key.

When will the official JEE Main answer key be released?

JEE Main answer key has been released on 4th February 2026 on the official website.

Is this answer key available subject-wise?

Yes, Separate PDFs are available for Physics, Chemistry, and Mathematics for both shifts.
Free Learning Resources
Know about Physics Wallah
Physics Wallah is an Indian edtech platform that provides accessible & comprehensive learning experiences to students from Class 6th to postgraduate level. We also provide extensive NCERT solutions, sample paper, NEET, JEE Mains, BITSAT previous year papers & more such resources to students. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app.
We Stand Out because
We provide students with intensive courses with India’s qualified & experienced faculties & mentors. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We believe in empowering every single student who couldn't dream of a good career in engineering and medical field earlier.
Our Key Focus Areas
Physics Wallah's main focus is to make the learning experience as economical as possible for all students. With our affordable courses like Lakshya, Udaan and Arjuna and many others, we have been able to provide a platform for lakhs of aspirants. From providing Chemistry, Maths, Physics formula to giving e-books of eminent authors like RD Sharma, RS Aggarwal and Lakhmir Singh, PW focuses on every single student's need for preparation.
What Makes Us Different
Physics Wallah strives to develop a comprehensive pedagogical structure for students, where they get a state-of-the-art learning experience with study material and resources. Apart from catering students preparing for JEE Mains and NEET, PW also provides study material for each state board like Uttar Pradesh, Bihar, and others

Copyright © 2026 Physicswallah Limited All rights reserved.