JEE Main 2017-18 Paper Analysis: Physics, Chemistry, Mathematics

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JEE Main is held every year by Joint Seat Allocation Authority (JoSAA). Every year, approximately 15,00,000 candidates appear in the examination out of which only 2,00,000 candidates qualify for JEE Advanced through which the aspirants can get admissions in the prestigious Indian Institutes of Technology (IITs). This means that JEE Main is the qualifying examination for JEE Advanced. Also, through JEE Main, the candidates can get admissions in National Institutes of Technology (NITs), Indian Institutes of Information Technology (IIITs), and Government Funded Technical Institutes (GFTIs). The aspirants must read the below brief JEE Main 2017-18 Paper Analysis which may help the candidates to qualify JEE Main 2020 Examination. (<<<click here for JEE Main 2020 complete information)

Understanding JEE Main 2017-18 Paper Analysis

Paper Analysis means understanding how the paper is evolving over the years and making a prediction as to how the next year’s paper will come. The paper analysis of previous years’ question papers help the aspirants in scoring high in the upcoming examination. For JEE Main 2018, the candidates need to analyze the question papers of JEE Main from the year 2013 to 2017.

Concepts in JEE Main Paper Every Year

The questions in the papers every year have come from a universe which consists of 1,750 concepts. This means that 30% of the concepts are in the definitive list of being important.

Name of Examination Number of Concepts in the Universe Number of New Concepts Introduced Percentage of New Concepts Introduced
JEE Main 2013 – 7 April 2013 – Offline 318 318 100 %
JEE Main 2014 – 6 April 2014 – Offline 572 254 79.87 %
JEE Main 2014 – 11 April 2014 – Online 779 207 36.19 %
JEE Main 2014 – 19 April 2014 – Online 964 185 23.75 %
JEE Main 2014 – 9 April 2014 – Online 1089 125 12.97 %
JEE Main 2015 – 4 April 2015 – Offline 1218 129 11.85 %
JEE Main 2015 – 10 April 2015 – Online 1377 159 13.05 %
JEE Main 2015 – 11 April 2015 – Online 1438 61 4.43 %
JEE Main 2016 – 10 April 2016 – Online 1529 91 6.33 %
JEE Main 2016 – 3 April 2016 – Online 1595 66 4.32 %
JEE Main 2016 – 9 April 2016 – Offline 1677 82 5.14 %
JEE Main 2017 – 2 April 2017 – Offline 1750 73 4.35 %

There is a diminishing addition to the number of new concepts introduced every year. The following image shows the repetition of concepts every year. It is the common concepts repeated among examinations in the years.

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JEE Main Repetition of Concepts
JEE Main Repetition of Concepts

Important Chapters from which Questions Come Every Year

There are 18 chapters which are most important in Physics, Chemistry, and Mathematics. The ratio of CBSE Syllabus Class XI and Class XII is 56:44 with a slight tilt towards syllabus of Class XI.

Subjects Chapters
PHYSICS Waves and Sound
Electrostatics
Magnetic Effects of Current
Electromagnetic Induction and Alternating Current
Ray Optics
Semiconductors and Communication System
CHEMISTRY Chemical Kinetics
Chemical Bonding and Molecular Structure
Coordination Compounds
MATHEMATICS Binomial Theorem
Quadratic Equations
Sequences and Series (Progressions)
Complex Numbers
Point and Straight Line
Vector
Circle
Matrices and Determinants
Indefinite Integration

JEE Main 2017-18 Paper Analysis & Difficulty Level Variation Over the Years

On a scale of 10, the difficulty level of the JEE Main Question Papers ranges from 3.8 to 5.3 with an average of 4.4. JEE Main 2017 Question Paper was on the easier side with an average difficulty level of 4.1.

Difficulty Level Variation Over the Years
Difficulty Level Variation Over the Years

Sectionwise Ideal Time Distribution

If the candidate is well prepared for the examination, then after completing the paper, there are about 10 minutes left over for the revision purpose.

JEE Main 2017-18 Paper Analysis: Year Wise Report for Physics

Name of Examination Subject Percentage of Time Needed
JEE Main 2013 – 7 April 2013 – Offline Physics 48.62 %
JEE Main 2014 – 6 April 2014 – Offline Physics 39.94 %
JEE Main 2014 – 11 April 2014 – Online Physics 32.45 %
JEE Main 2014 – 19 April 2014 – Online Physics 33.53 %
JEE Main 2014 – 9 April 2014 – Online Physics 28.06 %
JEE Main 2015 – 4 April 2015 – Offline Physics 44.64 %
JEE Main 2015 – 10 April 2015 – Online Physics 34.44 %
JEE Main 2015 – 11 April 2015 – Online Physics 37.74 %
JEE Main 2016 – 10 April 2016 – Online Physics 27.88 %
JEE Main 2016 – 3 April 2016 – Online Physics 26.17 %
JEE Main 2016 – 9 April 2016 – Offline Physics 26.65 %
JEE Main 2017 – 2 April 2017 – Offline Physics 41.95 %

The time required to solve the questions in Physics section of the question paper varies from 60 minutes to 70 minutes.

JEE Main 2017-18 Paper Analysis: Year Wise Report for Chemistry

Name of Examination Subject Percentage of Time Needed
JEE Main 2013 – 7 April 2013 – Offline Chemistry 23.84 %
JEE Main 2014 – 6 April 2014 – Offline Chemistry 31.68 %
JEE Main 2014 – 11 April 2014 – Online Chemistry 31.04 %
JEE Main 2014 – 19 April 2014 – Online Chemistry 24.52 %
JEE Main 2014 – 9 April 2014 – Online Chemistry 31.84 %
JEE Main 2015 – 4 April 2015 – Offline Chemistry 18.66 %
JEE Main 2015 – 10 April 2015 – Online Chemistry 19.34 %
JEE Main 2015 – 11 April 2015 – Online Chemistry 23.18 %
JEE Main 2016 – 10 April 2016 – Online Chemistry 31.42 %
JEE Main 2016 – 3 April 2016 – Online Chemistry 25.10 %
JEE Main 2016 – 9 April 2016 – Offline Chemistry 26.72 %
JEE Main 2017 – 2 April 2017 – Offline Chemistry 26.73 %

The time required to solve the questions in Chemistry section of the question paper varies from 35 minutes to 45 minutes.

JEE Main 2017-18 Paper Analysis: Year Wise Report for Mathematics

Name of Examination Subject Percentage of Time Needed
JEE Main 2013 – 7 April 2013 – Offline Mathematics 27.54 %
JEE Main 2014 – 6 April 2014 – Offline Mathematics 28.38 %
JEE Main 2014 – 11 April 2014 – Online Mathematics 36.51 %
JEE Main 2014 – 19 April 2014 – Online Mathematics 41.95 %
JEE Main 2014 – 9 April 2014 – Online Mathematics 40.10 %
JEE Main 2015 – 4 April 2015 – Offline Mathematics 36.70 %
JEE Main 2015 – 10 April 2015 – Online Mathematics 46.23 %
JEE Main 2015 – 11 April 2015 – Online Mathematics 39.08 %
JEE Main 2016 – 10 April 2016 – Online Mathematics 40.71 %
JEE Main 2016 – 3 April 2016 – Online Mathematics 48.72 %
JEE Main 2016 – 9 April 2016 – Offline Mathematics 46.63 %
JEE Main 2017 – 2 April 2017 – Offline Mathematics 31.33 %

The time required to solve the questions in Mathematics section of the question paper varies from 60 minutes to 70 minutes.

The official website of JEE Main is http://jeemain.nic.in/webinfo/Public/Home.aspx

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