JEE Main 24 January 2023 Shift 1 Question Paper Analysis (Available): Unofficial Answer Key, Expert Solutions

Chinmayai Bobade

Updated On: January 28, 2023 08:45 am IST

JEE Main 2023 Shift 1 was successfully conducted on January 24. This page contains the full question paper analysis, as well as memory-based questions and answer key.
JEE Main 24 January 2023 Shift 1 Question Paper Analysis

JEE MAIN 2023 PAPER ANALYSIS: On January 24, 2023, Day 1 of JEE Main 2023 examination was conducted. The first-morning shift was held from 9 a.m. to 12 noon. Majority of the candidates found the paper to be moderate level, with Mathematics was lengthy and Physics was moderate whereas Chemistry was relatively easy .  The mode of the exam was online computer-based. Given the unavailability of the question paper copy, after receiving the memory-based questions, the topic-wise weightage for all subjects for JEE Main today paper will be provided here. It will also include the subject-wise number of questions as per their difficulty level and overall difficulty of the paper according to student's first reaction.

The JEE Main question paper includes questions from Physics, Chemistry and Mathematics.The exam had a total of 90 questions divided equally among the three subjects. Each subject had 20 MCQ questions and 10 NAT questions, out of which students could choose any 5 to attempt. Overall, 60 questions were mandatory MCQs and 30 were optional NAT questions, total of 15 questions is mandatory to be attempted by the students. There was a negative marking scheme for all questions, including NAT. For each correct answer four marks are awarded and for every incorrect answer, one mark is deducted.

Also read | JEE Main Question Paper 24 January 2023 JEE Main Expected Cutoff 2023

JEE Main 24 January 2023 Shift 1 Major Highlights

The major highlights of the JEE Main today paper (Jan 24), solely based on the first reactions of the students can be found below:

  • The overall difficulty of the paper was considered to be moderate
  • The difficulty level of the paper was considered to be same as previous years
  • Mathematics section was considered to be lengthy due to the calculation part being tricky
  • Students found the Physics section to be moderate
  • Chemistry section was found to be easy according to the students
  • Chemistry section contained many memory based direct NCERT questions
  • Organic chemistry contained numerical question in the chemistry section
  • Physical chemistry and inorganic chemistry contained integer based questions
  • Physics section many straight-forward fomula based questions
  • Mathematics section contained many questions from Vector 3D chapter
  • The NAT questions of Mathematics section was found to be lengthy, whereas the MCQ part was found to be moderate
  • Physics section had a "Find the Tension of a String" calculation based question
Join our JEE Main 2023 Telegram Group to get all such latest exam-day updates on the January session!

JEE Main 24 January 2023 Shift 1 Exam Analysis

For the parameters mentioned in the table below, the analysis will is updated since the exam is over. JEE Main 2023 question paper analysis for day 1-shift 1 here considers experts’ reviews as well as students’ opinions.

Aspect Analysis
Overall difficulty level of the exam Moderate
Difficulty level of Mathematics Lengthy
Difficulty level of Physics Moderate
Difficulty level of Chemistry Easy to Moderate
Difficulty level of NAT questions
  • Mathematics NAT questions was found to be difficult
  • Chemistry section had direct formula based questions
  • Physics NAT section was considered to be moderate
Topics with more weightage in Mathematics
  • Vector Algebra
  • 3D Geometry
  • Integration
  • Integration
  • Trigonometry
  • Conic Sections
  • Hyperbola & Straight line
Topics with more weightage in Physics
  • Kinematics
  • Semiconductors
  • Communication systems
  • Electromagnetic waves
  • Thermodynamics
Topics with more weightage in Chemistry
  • Biomolecules
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical Chemistry
  • Inorganic Chemistry
  • Polymers
  • Block Chemistry
Was the paper lengthy? The Mathematics section of the paper was considered lengthy. The overall paper was considered moderately lengthy
Overall expected number of good attempts 45+

JEE Main 24 January 2023 Unofficial Answer Key

For today’s shift 1, the memory-based questions and its unofficial answer key can directly be checked through the link given below:

Section-Wise Difficulty Level of JEE Main 24 January Shift 1

Here is the section-wise difficulty level of JEE Main 24 January 2023 Shift 1 -
Name of the Subject Total No. of Easy Questions Moderate Level Difficult Questions
Chemistry 8 15 3
Mathematics 14 4 -
Physics 17 6 0

Chapter-Wise Weightage of JEE Main Physics 24 January 2023 Shift 1

Here is the chapter-wise weightage of JEE Main Physics 24 January 2023 Shift 1 -
Name of the Chapter Total Number of Questions
Electrodynamics 7
Heat & Thermodynamics 2
Mechanics 6
Modern Physics 5
Optics 1
SHM & Waves 2

Topic-Wise Weightage of JEE Main Physics 24 January 2023 Shift 1

Here is the topci-wise weightage of JEE Main Physics for 24 January 2023 Shift 1 exam -

Name of the Topic Total No. of Questions
Alternating Current 1
Current Electricity 1
Electro Magnetic Field 2
Electro Magnetic Induction 1
Electrostatics 2
Calirometry & Thermal Expansion 1
KTG & Thermodynamics 1
Elasticity & Viscosity 1
Gravitation 1
Rigid Body Dynamics 1
Projectile Motion 1
Newton's Laws of Motion 2
Electromagnetic Waves and Communication 2
Nuclear Physics 1
Photoelectric Effect 2
Geometical Optics & Physical Optics 1
SHM 1

Chapter-Wise Weightage of JEE Main Chemistry 24 January Shift 1

Here is the chapter-wise weightage of JEE Main Chemistry for 24 January Shift 1 -

Name of the Chapter Total Number of Questions
Inorganic Chemistry-I 6
Inorganic Chemistry-II 5
Organic Chemistry-I 2
Organic Chemistry-II 7
Physical Chemistry-I 4
Physical Chemistry-II 2

Topic-Wise Weightage of JEE Main Chemistry 24 January 2023 Shift 1

Here is the topic-wise weightage of JEE Main Chemistry 24 Januaru Shift 1 -

Name of the Topic Total Number of Questions
Chemical Bonding 2
Periodic Table & Peridodicity in Properties 1
s-block 2
p-block 1
Coordination Compounds 2
d-block & f-block elements 1
Metallurgy 1
Qualitative Analysis 1
Environmental Chemistry 1
General Organic Chemistry-I 1
Chemistry in Everyday Life 1
Organic Reaction Mechanism III 2
Organic Reaction Mechanism II 1
Biomolecules 2
Carbonyl Compounds 1
Atomic Structure & Nuclear Chemistry 1
Ionic Equilibrium 1
Mole Concept 1
Thermodynamics & Thermochemistry 1
Chemical Kinetics 1
Solution & Colligative Properties 1

Chapter-Wise Weightage of JEE Main 24 January 2023 Shift 1

Here is the chapter-wise weightage of JEE Main 24 January Shift 1 -

Name of the Chapter Total Number of Questions
Binomial Theorem 2
Complex Numbers 1
Coordinate Geometry 2
Differential Calculus 4
Integral Calculus 3
Mathematical Reasoning 1
Permutation & Combination 2
Trigonometry 1
Vector & 3D 2

Also Read |

JEE Main 24 January 2023 Shift 2 Question Paper Analysis

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