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JEE Main Paper Analysis 2015

Last Updated - November 22, 2017

JEE Main Paper Analysis 2015 provides an in-depth section-wise analysis of all the prominent topics and marking scheme. Around 13 lakh students appeared for JEE Main in 2015. The exam was held in both online and offline modes.

JEE Main 2015 was conducted in two parts i.e. Paper 1 and Paper 2 where Paper 1 was conducted for the students interested for engineering seats scheduled from 9:30 AM to 12:30 PM and Paper 2 for B.Arch. aspirants, conducted from 2 PM to 5 PM.  

The paper was moderate in terms of difficulty level. The paper consisted of three sections: Physics, Chemistry and Mathematics. The total number of questions in each section is 30 and each question carries 4 marks. Check JEE Main Exam Pattern 

JEE Main 2014 Paper AnalysisJEE Main 2016 Paper AnalysisJEE Main 2017 Paper Analysis
  • Physics: Physics was toughest amongst the three the sections. Out of 30 questions, 25 were numerical based and students consumed a lot of time to solve the questions and as a result, completion of the section was not possible.
  • Mathematics: This section, however, not difficult, was found a little lengthy by the examinees. It had a good mix of questions.
  • Chemistry: It was a comparatively easy section to solve. The questions were all fact-based. This section was not very time consuming and was considered as a cakewalk for those students with a good base in the subject

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Section-wise Paper Analysis for JEE Main, 2015

The pattern of JEE Main, 2015 examination was comparatively same as the JEE Main 2014 examination. The paper in 2015 had 90 questions each worth 4 marks having objective type questions and 30 questions of 120 marks from each subject.

SubjectClass 11Class 12Total
No. of QuestionsTotal MarksNo. of QuestionsTotal MarksNo. of QuestionsTotal Marks
Chemistry1040208030120
Mathematics1664145630120
Physics1352176830120
Grand Total391565120490360

Question Distribution

The number of questions from different sections, that were listed in JEE Main 2015 question paper from class 11th and 12th Physics, Chemistry and Mathematics syllabus is tabulated below:

ClassPhysicsChemistryMathematicsTotal
Class 1217201451
Class 1113101639

Marks Distribution

The distribution of marks in the question paper in Physics, Chemistry and Mathematics section, separately, is mentioned below class-wise:

ClassPhysicsChemistryMathematicsTotal
Class 12688056204
Class 11524064156

Level of Difficulty

Section wise JEE main 2015 paper was also analyzed on the basis of basis of toughness, which is elaborated in the table below:

Toughness LevelPhysicsChemistryMathematicsTotal
Difficult55313
Moderate17121645
Easy8131132

Marks Distribution

Marks distribution as per the level of difficulty of JEE Main 2015 is tabulated below:

Level of DifficultyPhysicsChemistryMathematicsTotal
Difficulty20201252
Moderate684864180
Easy325244128

JEE Main Paper Analysis - Physics

Question paper was lengthy. 43% questions were from 11th syllabus and remaining 57% were from 12th syllabus. Very few of the questions were direct and easy.

Two Questions were asked from the units like Current Electricity (Ohms Law, Kirchhoff’s Law), Electro Magnetic Induction (LR Circuit, LC Oscillation), Electrostatics (Lines of Force, Electric Potential), Modern Physics and Wave Optics (Modern Physics, Bohr Model).

Mechanics was the unit with the highest amount of questions asked in the examination that is equal to 32 marks from the total of 120 marks, topics involved were Elasticity, Relative Motion, Error in Measurement, Friction, Centre of Mass, Rigid body Dynamics, Gravitation.

Three Questions were posed from the units like Electro Magnetic Field & Forces (Force on Loop, Force on Straight Wire, and Torque on Loop), Heat & Thermodynamics (KTG & First Law of Thermodynamics, KTG & Second Law of Thermodynamics).

Only one question was asked from units like Geometrical Optics (Prism), Simple Harmonic Motion (Simple Harmonic Motion), Sound Waves (Doppler), Electromagnetic waves (Intensity), Principles of Communications and Capacitor (Modulation).

Topic wise marks allocation in Physics

UNIT & TOPIC NAMENO OF QUESTIONTOTAL MARKS% WEIGHTAGE
Current Electricity286.7%
Ohms Law143.3%
Kirchoff’s Law143.3%
Electro Magnetic Induction286.7%
LR Circuit143.3%
LC Oscillation143.3%
Electrostatics286.7%
Lines of Force143.3%
Electric Potential143.3%
Geometrical Optics143.3%
Prism143.3%
Modern Physics286.7%
Modern Physics143.3%
Bohr Model143.3%
Simple Harmonic Motion143.3%
Simple Harmonic Motion143.3%
Sound Waves143.3%
Doppler143.3%
Mechanics83226.7%
Elasticity143.3%
Relative Motion143.3%
Error in Measurement143.3%
Friction143.3%
Centre of Mass286.7%
Rigid Body Dynamics143.3%
Gravitation143.3%
Heat & Thermodynamics31210.0%
KTG & First Law of Thermodynamics286.7%
KTG & Second Law of Thermodynamics143.3%
Capacitor143.3%
Circuits143.3%
Electro Magnetic Field & Forces31210.0%
Force on Loop143.3%
Force on Straight Wire143.3%
Torque on Loop143.3%
Electromagnetic waves143.3%
Intensity143.3%
Wave Optics286.7%
Huygen’s Principle143.3%
Resolving Power143.3%
Principles of Communications143.3%
Modulation143.3%
GRAND TOTAL30120100%

JEE Main Paper Analysis - Mathematics

All questions were asked from the syllabus and questions were not so calculative. Also, a lot of previous year JEE questions were repeated. 55-57% questions were from 11th syllabus and remaining 43-45% were from 12th syllabus.

Mathematics paper was quite balanced but weightage of trigonometry was low as only one question was asked from that topic.

Two Questions were asked from the units like Matrix & Determinants (Multiplication of Matrices, Cramer's Rule), Sequence & Series (Geometric Mean, Miscellaneous Series), Vector & 3-D (Family of Planes, Intersection of Plane and Line) and Straight Line (Position of Point, Family of Planes).

Topic wise marks allocation in Mathematics

Unit & Topic NameNo of QuestionTotal Marks% Weightage
Area under curve143.3%
Area Between two Curves143.3%
Circle143.3%
Position of Two Circles143.3%
Complex Numbers143.3%
Properties of Modulus143.3%
Differential equation143.3%
Linear Differential Equation143.3%
Ellipse143.3%
Tangents143.3%
Parabola143.3%
Parametric Coordinates143.3%
Probability143.3%
Classical Probability143.3%
Quadratic Equation143.3%
Relation Between Roots & Coefficients143.3%
Matrix & Determinants286.7%
Multiplication of Matrices143.3%
Cramer’s Rule143.3%
Permutation & Combination143.3%
Fundamental Theorem of Counting143.3%
Binomial Theorem143.3%
Summation of Series143.3%
Sequence & Series286.7%
Geometric Mean143.3%
Miscellaneous Series143.3%
Vector143.3%
Vector Triple Product143.3%
Statistics143.3%
Mean143.3%
Mathematical Reasoning143.3%
Negation143.3%
Vector & 3-D286.7%
Family of Planes143.3%
Intersection of Plane and Line143.3%
Inverse Trigonometric function143.3%
Addition of Inverse Trigonometric Function143.3%
Sets & Relation143.3%
Subset143.3%
Limit of function143.3%
Standard Limit143.3%
Continuity & Derivability143.3%
Differentiability143.3%
Tangents, Normal & Applications143.3%
Normal at a Point143.3%
Application of Derivatives143.3%
Maxima & Minima143.3%
Indefinite integration143.3%
Substitution143.3%
Definite integration143.3%
Properties of DI143.3%
Straight Line286.7%
Position of Point143.3%
Family of Planes143.3%
Height & distance143.3%
Angle of Elevation143.3%
Grand Total30120100.0%

JEE Main Paper Analysis - Chemistry

All questions were asked well within the syllabus. Approximately 25% numerical questions, some questions were direct application based questions. 50% questions were from 11th syllabus and remaining 50% were from 12th syllabus.

In the Chemistry section, this year only 25-27% questions were from organic chemistry while majority of the questions were from physical chemistry. Overall chemistry was easy.

Two Questions were asked from the units like Chemical Bonding, Alkyl Hallide, Alcohol & Ether, IUPAC & Isomerism, and Surface Chemistry.

Three Questions were posed from the units like p-block from Inorganic Chemistry, Practical Organic Chemistry from Organic Chemistry.

Topic wise marks allocation in Chemistry

Unit & Topic NameNo of QuestionTotal Marks% Weightage
Inorganic Chemistry114436.67%
Chemical Bonding286.67%
d-block & f-block143.33%
Metallurgy143.33%
p-block31210.00%
Periodic Table & Periodicity in Properties143.33%
Qualitative Analysis143.33%
s-block143.33%
Transition Elements and Coordination Chemistry143.33%
Organic Chemistry93630.00%
Alkyl Hallide, Alcohol & Ether286.67%
Aromatic Compound143.33%
Carbohydrates, Amino Acids and Polymers143.33%
IUPAC & Isomerism286.67%
Practical Organic Chemistry31210.00%
Physical Chemistry104033.33%
Atomic Structure143.33%
Chemical Equilibrium143.33%
Chemical Kinetics143.33%
Electrochemistry143.33%
Mole Concept143.33%
Solid State143.33%
Solution & Colligative Properties143.33%
Surface Chemistry286.67%
Thermodynamics & Thermochemistry143.33%
GRAND TOTAL30120100.00%

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