JEE Main 2024 January 27 Shift 1 Exam Analysis Subject-Wise (Available): Paper moderate, detailed review

JEE Main 2024 January 27 Shift 1 Exam Analysis: The National Testing Agency concluded the JEE Main 2024 Paper 1 B.Tech examination on January 27. The overall difficulty level of the question paper in Shift 1 was 'Moderate'. Only the Mathematics section was tough. For Day 1 Shift 1, candidates can find subject-wise JEE Main Exam 27 January 2024 analysis detailed in terms of the level of difficulty of the paper, good attempts, and major topics asked. The question paper for B.Tech courses comprises 90 questions across Physics, Chemistry, and Mathematics subjects. Out of 90, MCQ-based questions are 60 while NAT-based are 30 questions. Aspirants through JEE Main 2024 question paper analysis can assess the difficulty level of the upcoming shifts and prepare accordingly.

JEE Main Question Paper 2024 Session 1	JEE Main Answer Key Unofficial 2024 Session 1

The detailed and subject-wise exam analysis of JEE Main 27 January 2024 Shift 1 can be checked below.

Distribution of Class 11 & 12 Syllabus in JEE Main 27 January 2024 Shift 1

Here is the detailed distribution of the Class 11 and 12 syllabus in the Shift 1 exam of JEE Main 27 January 2024 -

Name of the Subject	Total No. of Questions from Class 11 Syllabus	Total Number of Questions from Class 12 Syllabus
Chemistry	17	13
Mathematics	10	16
Physics	14	16

Section-Wise Difficulty Level Distribution in JEE Main 27 January 2024 Shift 1

The section-wise difficulty distribution of JEE Main 27 January 2024 Shift 1 -

Name of the Subject	Total No of Easy Questions	Total No. of Moderate Questions	Total No. of Tough Questions
Chemistry	12	12	6
Mathematics	9	13	4
Physics	19	9	2
Total	40	35	12

JEE Main 27 January 2024 Shift 1 Physics Weightage Analysis from Class 11 Syllabus

Here is the detailed Physics weightage from the Class 11 syllabus in the Shift 1 exam of JEE Main 27 January 2024 Shift 1 -

Name of the Topic	Subtopic Asked	Total Number of Questions Asked
Elasticity	Bulk Modulus, Modulus of Rigidity, and relation between modulus	1
KTG and 1st law of Thermodynamics	First Law Thermodynamics & Specific heat in Different process Degree of Freedom, Law of Equipartition and Internal Energy of Gas Calorimetry	3
Rotation	Moment of Inertia	1
Simple harmonic motion	Simple Pendulum	1
System of particles, Centre of Mass, Momentum and Collision	Conservation of Momentum Conservation of momentum with work	2
Unit and Dimension	Dimensional Analysis	1
Circular Motion	Kinematics of Circular Motion, Radial and Tangential Acceleration	1
Rectilinear Motion	Definition-related problems (distance, displacement, average velocity, average speed, instantaneous velocity, instantaneous  speed, average acceleration, and instantaneous acceleration)	1
Error and Measurement	Experiment related Problems including error and measurement after the vernier callipers and screw gauge	1
Viscosity	Stock's law of velocity	1

JEE Main 27 January 2024 Shift 1 Physics Weightage Analysis from Class 12 Syllabus

Here is the detailed Physics weightage from the Class 12 syllabus in the Shift 1 exam of JEE Main 27 January 2024 Shift 1 -

Name of the Topic	Subtopics Asked	Total No. of Questions
Current Electricity	Combination of resistance and Combination of Cells Calculation of resistance, resistivity and temperature dependence of resistance Voltmeter, ammeter, galometer	3
Electromagnetic Wave	Electromagnetic Wave	1
Electrostatics	Electric Potential due to point charge, line charge, ring, disc, thin sheet, thick-sheet and other shape, excluding cylinder and sphere	2
Geometrical Optics	Refraction Law, Refraction At Plane Surface, Slab & Multiple Surfaces Refraction By Prism Lens	3
Gravitation	Acceleration due to Gravity (g)	1
Modern Physics-1	Bohr's Theory for Hydrogen, Hydrogen Like Atoms (Properties)	1
Semi-Conductor	Bohr's Theory for Hydrogen, Hydrogen Like Atoms (Properties) Electronic Transition In The H/H-Like Atom / Species and Effect of Motion of Nucleus	1
Capacitor	Special Diode	1
Electromagnetic Induction	Circuits With Capacitor and Use of KCL and KVL Combination of Capacitors	1
Magnetic Field	Magnetic Field Due to moving charge and straight wire Lorentz's Force & Moving charge in E & B.	2

JEE Main Chemistry Class 11 Weightage Analysis in January 27 Shift 1

The Class 11 syllabus weightage in JEE Main January 27 Shift 1 exam 2024 is as follows -

Name of the Topic	Subtopics Asked	Total No. of Questions
Atomic Structure	Quantum Numbers And Electronic Configuration	2
Mole Concept	Stoichiometry, Equation Based Calculations (Elementary Level Single Equation or 2) Basics of Oxidation Number	2
Ionic Equilibrium	Salt Hydrolysis, Amphiprotic Species	1
Thermodynamics	Work Heat And Internal Energy	2
p-block elements	Based on Periodic trends	1
Chemical Bonding	Application of MOT Dipole Moment	2
Periodic Table Periodicity	Development of Periodic Table and Modern Periodic Table	1
IUPAC & Structural Isomerism	IUPAC & Structural Isomerism	2
GOC-II	GOC-II (Acid base, reaction intermediate & tautomerism)	3
Structural Identification	Structural Identification	1

JEE Main Chemistry Class 12 Weightage Analysis in January 27 Shift 1

The weightage of the Class 12 Chemistry syllabus in JEE Main 27 January 2024 Shift 1 is as follows -

Name of the Topic	Subtopics Asked	Total No. of Questions
Chemical Kinetics	Experimental method to calculate order and rate law of reaction	1
Electrochemistry	Applications of Electrolysis	1
Solution Colligative Properties	Non-Ideal Solutions	1
D-Block Elements	Lanthanoids and Actinoids	1
Coordination Compound	Bonding in Coordination Compounds (Initial Bonding Theories and Ean Rule, Valence Bond Theory)	1
P-Block Elements	Based on periodic trends of Helogen and Nobel Gases	1
Qualitative Analysis	Ist Group Concentrated H2SO4 Group	2
Biomolecule and Polymer	Biomolecule and Polymer	1
Hydrocarbon	Hydrocarbon	1
Practical Organic Chemistry	Practical Organic Chemistry	1
Haloalkane & Halorenes	Haloalkane & Halorenes	1
Aromatic Compounds	Aromatic Compounds (Benzene, Aryl halide, Phenol, Amines and Diazonim salt)	1

JEE Main Mathematics Class 11 Weightage Analysis January 27 Shift 1

The weightage of the Class 11 syllabus in the JEE Main Mathematics Shift 1 exam of January 27 is as follows -

Name of the Topic	Subtopics Asked	Total No. of Questions
Binomial Theorem	Properties of Binomial Coefficients Series involving Binomial Coefficients	2
Circle	Basic of Circle and its Equation	1
Conic Section	Pair of Tangents, Chord with midpoint, Chord of contact of Ellipse	1
Sequence and Series	Arithmetic Progression Arithmetic Geometric Progression	2
Straight Line	Angle between two lines	1
Statistics	Variance and S.D	1
Quadratic Equation	Nature of Roots	1
Trigonometry	Trigonometric Equations	1

JEE Main Mathematics Class 12 Weightage Analysis 27 January Shift 1

The weightage of the Class 12 syllabus in the JEE Main Mathematics Shift 1 exam of January 27 is as follows -

Name of the Topic	Subtopics Asked	Total No. of Questions
Application of Derivatives	Tangent and Normal	1
Complex Number	Complex Equations and Cube Roots of Unity	2
Definite Integration	Method of Definite Integration, Properties of Definite Integration	2
Differential Equation	Method of Solving Differential Equations	1
Matrices	System of Linear Equations, Adjoint and Inverse of Matrix	2
Relation Function ITF	Relation and its type, Classification of function	2
Three Dimensional Geometry	Line	1
Vector	Scalar Triple Product	1
Method of Differentiation	Higher Order Differentiation	1
Limit Continuity and Derivability	Basic of Limits and its Algebra, Continuity, and Derivability	3

JEE Main Physics Analysis 27 January 2024 Shift 1

The detailed analysis for JEE Main 27 January Shift 1 Physics paper is as follows:

Particulars	Details
Difficulty Level	Moderate
Topics Asked	Modern Physics Semiconductors Ray Optics Current Electricity Movement of Intertia Rotational Motion
Good Attempts	16 - 17
Average Time Took to Complete Answering All Questions	45 Minutes

Also read | JEE Main Percentile Score January 2024

JEE Main Chemistry Analysis 27 January 2024 Shift 1

The detailed analysis for JEE Main 27 January Shift 1 Chemistry paper is as follows:

Particulars	Details
Difficulty Level	Easy to Moderate
Topics Asked	More questions from Inorganic Chemistry and NAT questions from Physical Chemistry
Good Attempts	18 - 19
Average Time Took to Complete Answering All Questions	40 Minutes

JEE Main Maths Analysis 27 January 2024 Shift 1

The detailed analysis for JEE Main 27 January Shift 1 Mathematics paper is as follows:

Particulars	Details
Difficulty Level	Tough
Topics Asked	Vector 3D Trigonometry Differential Integration Sequence & Series
Good Attempts	14- 15
Average Time Took to Complete Answering All Questions	More than 1 Hour

Also read |

Important Links
JEE Main 2024 January 31 Shift 1 Exam Analysis
JEE Main 2024 January 30 Shift 1 Exam Analysis Subject-Wise
JEE Main 2024 January 29 Shift 1 Exam Analysis
JEE Main Shift 2 Analysis 29 January 2024
JEE Main 2024 Shift 2 Analysis January 27
JEE Main Question Paper 27 January 2024 Shift 1
JEE Main Shift 2 Question Paper 27 January 2024
JEE Main Answer Key 27 January 2024

JEE Main Analysis Comparison 27 January 2024 Shift 1 vs Jan 2023 Day 1 Shift 1

Find a detailed comparison of the JEE Main Session 1 Day 1 Shift 1 examination for 2024 and 2023 in the following table.

Aspect	JEE Main Session 1 2024 Day 1 Shift 1	JEE Main Session 1 2023 Day 1 Shift 1
Overall difficulty level	Moderate	Moderate
Difficulty level of Physics	Moderate	Moderate
Difficulty level of Chemistry	Easy to Moderate	Easy to Moderate
Difficulty level of Mathematics	Tough & Lengthy	Moderate but Lengthy
Difficulty level of NAT questions	Doable	Physics: Moderate Chemistry: Easy (Direct formula-based questions) Mathematics: Difficult
Was the paper time-consuming?	only the Mathematics section	Mathematics was lengthy. The overall exam was considered moderately lengthy.
Overall, the expected number of good attempts	43+	45+ questions
Physics High-Weightage Topics	KTG and 1st Law of Thermodynamics Rectilinear Motion Current Electricity Geometrical Optics	Kinematics Semiconductors Communication systems Electromagnetic waves Thermodynamics
Chemistry High-Weightage Topics	Atomic Structure Thermodynamics Chemical Bonding IUPAC and Structural Isomerism	Biomolecules Inorganic Chemistry Organic Chemistry Physical Chemistry Polymers Block Chemistry
Mathematics High-Weightage Topics	Binomial Theorem Definite Integration	Vector Algebra 3D Geometry Integration Trigonometry Conic Sections Hyperbola & Straight line

JEE Main First Reactions 27 January 2024 Shift 1: Student reviews

The first reactions of the candidates for the morning shift on 27 January 2024 have been updated here -

• As per the first reactions, the difficulty level of the paper was 'Average (Moderate)'
• Physics and Chemistry sections were not typical
• Mathematics was slightly tough compared to previous years
• Modern Physics had a decent number of questions from the Physics section (3 questions)
• There were 3 questions from Vector 3D
• Work power and energy power had one question
• There was 1 question from Rotation
• There was an integer-type question from Moment of Intertia
• There was one question from Semiconductors
• There was a question on Spirometer
• There was a question related to 'Meter'
• There was one question from 'Current Electricity'
• There was one question from 'Ray Optics'
• The mathematics section was time-consuming but Physics and Chemistry were doable
• There was a question from s-block
• There was a question on 'Boron' (Boiling and Melting Point)
• Physical questions had Numerical questions
• There were more questions from Inorganic Chemistry than Organic Chemistry
• Most students were able to complete the Chemistry section in 45 minutes
• There was one integer-type question from Trigonometry
• There was a question from "Sequence and Series'
• There was no question from Straight Lines as per the first reviews
• All the questions from Vector 3D were doable
• There was a question from Parabola
• There were 2-3 questions from Integration (Definite Integration)
• There were 2 questions from Matrices
• The mathematics section was time-consuming. Most students took more than 1 hour to answer all the questions
• Certain students mentioned that certain questions from Physics were easier compared to previous years
• There was a question on the 'Magnetic Movement of Three Compounds'
• The questions asked from the 'Conics' section were easily doable. These questions were asked from the Class 11 syllabus
• Revising formulas is important for the upcoming shifts
• Overall, the difficulty level subject-wise as per first reviews - Maths - Tough, Physics - Moderate, Chemistry- Easy to Moderate

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