JEE Main 20th July 2021 Shift 1 Question Paper Analysis (Available), Answer Key, Solutions
Day 1 & Shift 1 of JEE Main 2021 Phase 3 has been conducted on July 20. Check the detailed exam analysis of JEE Main 20th July Shift 1 exam along with memory-based questions, solutions and answer key. The overall difficulty level of the paper was moderate.
Day 1 and Shift 1 of JEE Main 2021 Phase 3 has been conducted on July 20 from 9:00 AM to 12:00 PM. As per the revised exam pattern of JEE Main 2021, the question paper has 90 questions, and there is an internal choice for Numerical (NAT) questions. Out of 10 NAT questions from each section (Physics, Chemistry and Mathematics), the candidates were required to answer any five questions. One of the major advantages of the NAT questions is that there is no negative marking. You can check the detailed exam analysis of JEE Main 2021 Phase 3 exam scheduled on July 20 Shift 1 here along with the memory-based question paper and answer key. The officialanswer key of JEE Main July 2021 will be released within 2-3 days after the exam. On the other hand, JEE Main 2021 Phase 3 result is expected to be released within 7 days after the exam.
Expected Important Topics for JEE Main August 2021 (Phase 4)
JEE Main 20th July Shift 1 Analysis Video
Major Highlights of JEE Main 20th July 2021 Shift 1 Analysis
Some of the major highlights of JEE Main 20th July 2021 Shift 1 analysis is as follows -
- Many students felt that the difficulty level of the paper was moderate
- The difficulty level of Physics and Chemistry is easier than Mathematics
- Mathematics is a bit tough and lengthy. The Mathematics section was time-consuming
- There were 2 questions from Biomolecules
- Organic and Inorganic Chemistry dominated the Chemistry paper
- From Physics, each topic had at least one question
- From Physics, there were 2 questions from Thermodynamics
- The chemistry section had more theoretical questions
- Physical Chemistry questions were mostly integer-type questions
- Mathematics section too covered Calculus, Coordinate Geometry, Algebra etc.
- 14-16 questions from each section can be considered as a good attempt
JEE Main 20th July 2021 Shift 1 Question Paper Analysis (Detailed)
The detailed exam analysis of JEE Main 20th July 2021 Shift 1 has been updated here. This analysis is based on student and expert feedback. If you had appeared for the exam in this shift, you can share your feedback or exam review on E-Mail ID sakunth.kumar@collegedekho.com
Aspect | Analysis |
Overall Difficulty Level of the Exam | Moderate |
Difficulty Level of Mathematics | Moderately Difficult |
Difficulty Level of Physics | Moderately |
Difficulty Level of Chemistry | Moderately Easy |
Topics with More Weightage in Mathematics |
One question covered from each chapter on an average |
Topics with More Weightage in Physics |
One question covered from each chapter on an average |
| Topics with More Weightage in Chemistry |
|
Difficulty Level of NAT Questions | Average |
Expected Average Number of Good Attempts | 40+ |
Expected Number of Very Good Attempts | 65+ |
Difficulty Level Comparison – July 20 Shift 1 vs March 16 Shift 1 vs Feb 24 Shift 1 | Almost Similar |
You can also check the shift-wise subject or topic-wise weightage of JEE Main 2021 Phase 3 exam by clicking on the links below.
Related Links
JEE Main 2021 Exam Analysis (Phase 3, March, February – All Shifts) |
JEE Main 20th July 2021 Shift 1 Question Paper & Answer Key
You can download the PDF of JEE Main 20th July 2021 Shift 1 memory-based question paper and answer key by clicking on the links below. The answer key available in the links below is prepared by different coaching institutes.
Division of Questions in JEE Main 20th July 2021 Shift 1
The division of Class 11 & 12 syllabi in JEE Main 20th July 2021 Shift 1 is as follows -
| Subject | Total No. of Questions from Class 11 Syllabus | Total No. of Questions from Class 12 Syllabus |
| Chemistry | 12 | 10 |
| Mathematics | 10 | 11 |
| Physics | 14 | 13 |
JEE Main 20th July Shift 1 Physics Chapter-Wise Weightage
The Physics chapter-wise weightage of JEE Main 20th July Shift 1 is as follows -
| Name of the Chapter | Total No. of Questions |
| Electrodynamics | 7 |
| Heat & Thermodynamics | 3 |
| Mechanics | 9 |
| Modern Physics | 5 |
| Optics | 1 |
| SHM & Waves | 2 |
JEE Main 20th July Shift 1 Physics Topic-Wise Weightage
The topic-wise weightage of JEE Main 20th July Shift 1 exam is as follows -
| Name of the Topic | Total No. of Questions |
| Current Electricity | 2 |
| Electromagnetic Field | 1 |
| Electrostatics | 2 |
| Electromagnetic Induction | 1 |
| Alternating Current | 1 |
| KTG & Thermodynamics | 2 |
| Calorimetry & Thermal Expansion | 1 |
| Rigid Body Dynamics | 1 |
| Centre of Mass | 1 |
| Rectilinear Motion & Vectors | 1 |
| Gravitation | 1 |
| Unit & Dimension | 1 |
| Circular Motion | 1 |
| Work, Power & Energy | 1 |
| Newton's Law of Motion | 1 |
| Relative Motion | 1 |
| Semiconductors | 1 |
| Modern Physics | 3 |
| Nuclear Physics | 1 |
| Geometrical Optics & Physical Optics | 1 |
| Sound Waves | 1 |
| String Wave | 1 |
JEE Main 20th July Shift 1 Chemistry Chapter-Wise Weightage
The chapter-wise weightage of JEE Main 20th July Shift 1 Chemistry is as follows -
| Name of the Chapter | Total No. of Questions |
| Inorganic Chemistry-1 | 7 |
| Inorganic Chemistry-2 | 4 |
| Organic Chemistry-1 | 1 |
| Organic Chemistry-2 | 7 |
| Physical Chemistry-1 | 7 |
| Physical Chemistry-2 | 3 |
JEE Main 20th July Shift 1 Chemistry Topic-Wise Weightage
The topic-wise weightage of JEE Main 20th July 2021 Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Chemical Bonding | 1 |
| Environmental Chemistry | 1 |
| Periodic Table & Periodicity in Properties | 1 |
| s-block | 2 |
| Hydrogen & its Compounds | 1 |
| p-block | 1 |
| Coordination Compounds | 2 |
| Metallurgy | 1 |
| Qualitative Analysis | 1 |
| General Organic Chemistry | 1 |
| Biomolecules | 2 |
| Polymers | 1 |
| Alkyl Halide, Alcohol & Ether | 1 |
| Grignard Reagent, Reduction, Oxidation & Hydrolysis | 1 |
| Amines | 1 |
| Hydrocarbon | 1 |
| Mole Concept | 2 |
| Atomic Structure & Nuclear Chemistry | 3 |
| Thermodynamics & Thermochemistry | 2 |
| Electrochemistry | 1 |
| Surface Chemistry | 1 |
| Solution & Colligative Properties | 1 |
JEE Main 20th July Shift 1 Mathematics Chapter-Wise Weightage
The chapter-wise weightage of JEE Main 20th July 2021 Shift 1 is as follows -
| Name of the Chapter | Total No. of Questions |
| Binomial Theorem | 3 |
| Complex Numbers | 1 |
| Coordinate Geometry | 2 |
| Differential Calculus | 4 |
| Integral Calculus | 2 |
| Permutation & Combination | 1 |
| Probability | 2 |
| Vector 3D | 3 |
| Statistics | 1 |
| Quadratic Equation | 1 |
| Trigonometry | 1 |
| Matrix & Determinants | 1 |
JEE Main 20th July Shift 1 Maths Topic-Wise Weightage
The topic-wise weightage of JEE Main 20th July Shift 1 Mathematics exam is as follows -
| Name of the Topic | Total No. of Questions |
| Binomial Theorem | 3 |
| Complex Numbers | 1 |
| Parabola | 2 |
| Limit, Continuity & Differentiability | 1 |
| Functions | 1 |
| Application of Derivatives | 1 |
| Continuity & Derivability | 1 |
| Definite Integration | 2 |
| Permutation & Combination | 1 |
| Probability | 2 |
| Vector | 2 |
| Co-Ordinate Geometry | 1 |
| Statistics | 1 |
| Quadratic Equation | 1 |
| Solution of Triangle | 1 |
| Matrices & Determinants | 1 |
JEE Main July 2021 (Phase 3) Exam Analysis – All Shifts
You can check the detailed exam analysis of JEE Main 2021 Phase 3 for all shifts by clicking on the links below.
For the latest JEE Main 2021 news & updates, stay tuned to CollegeDekho.