JEE Main 2021 Aug 4 Shift 2 Question Paper PDF Download

Content Curator updated | Updated On - Mar 7, 2023

JEE Mains 2021 B.E./B.Tech on August 4, 2021- Afternoon Session was conducted only for the candidates who were supposed to give examinations in Kolhapur, Palghar, Ratnagiri, Raigadh, Sindhudurg, Sangli and Satara. NTA rearranged the JEE Main B.E./B.Tech exam on August 4 only for those candidates who had to skip the examination due to flooding issues, caused by heavy rainfall across the region. The question paper carried 90 questions, out of which only 75 questions were mandatory to attempt. It was mandatory for the test-takers to attempt 25 questions from each section.

JEE Main 2021 B.E./B.Tech Question Paper- August 4(Afternoon)

JEE Main 2021 Question Paper	JEE Main 2021 Answer Key
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JEE Main 2022 Physics Preparation	JEE Main 2022 Chemistry Preparation	JEE Main 2022 Mathematics Preparation

JEE Main 2021 B.Arch Question Paper - Paper Analysis

According to the candidates, the General Aptitude section was the easiest section in the question paper. The drawing section was the most lengthy and time-consuming section in the paper. Mathematics carried more questions from class 11th than class 12th. Please refer to the below-mentioned table to get chapter wise analysis of the Mathematics section-

Topics/Chapters	Question Frequency	Marks Carried
Sets, Relation and Function	1	4
Sequences and Series	1	4
Binomial Theorem and Its Application	1	4
Differential Equation	1	4
Differential Calculus	1	4
Permutations and Combinations	1	4
Trigonometry	1	4
Mathematical Reasoning	1	4
Static and Dynamics	2	8
Statistics and Probability	2	8
Matrices and Determinants	2	8
Vector Algebra	2	8
Three Dimensional Geometry	2	8
Complex numbers and Quadratic Equation	2	8
Limits, Continuity and Differentiability	3	12
Integral Calculus	3	12
Coordinate Geometry	5	20
Total	30	120

Coordinate Geometry carried the most number of questions. Coordinate Geometry was the only section, carrying 5 questions in the Mathematics section.

JEE Main 2021 B.E./B.Tech Question Paper- Important Topics

The below-mentioned table mentions topics, responsible for carrying higher weightage in all the three sections in JEE Main B.E./B.Tech-

Physics	Chemistry	Physics
Magnetic Effects of Current & Magnetism Electromagnetic Induction & Alternating Current Error & Instrument Analysis Heat and Thermodynamics Electromagnetic Waves	Nuclear & Surface Chemistry Coordination Compound Aromatic Compounds Carboxylic Acids & Its Derivatives General Organic Chemistry Chemical Bonding Chemical Kinetics	Definite Integral & Area Under the Curve Definite Integral & Area Under the Curve Determinant & Matrices Application of Derivatives Sequence & Series 3 Dimensional Geometry

Both MCQs (Multiple Choice Questions) and Non-MCQs were a part of the question paper. Correct MCQs and Non-MCQs would give 4 marks to the candidates. Wrong MCQs will lead to a reduction by 1 mark. While no negative marking would be followed in case of Non-MCQs.

JEE Main 2021 Questions with Solutions

1	A cube of side 'a' has point charges $+ Q$ located at each of its vertices except at the origin where the charge is $-Q$. The electric field at the centre of cube is:
2	If $Y, K$ and $\eta$ are the values of Young's modulus, bulk modulus and modulus of rigidity of any material respectively. Choose the correct relation for these parameters.
3	Two equal capacitors are first connected in series and then in parallel. The ratio of the equivalent capacities in the two cases will be:
4	An LCR circuit contains resistance of $110 \Omega$ and a supply of $220 V$ at $300 rad / s$ angular frequency. If only capacitance is removed from the circuit, current lags behind the voltage by $45^{\circ} .$ If on the other hand, only inductor is removed the current leads by $45^{\circ}$ with the applied voltage. The $rms$ current flowing in the circuit will be:
5	Calgon is used for water treatment. Which of the following statement is $NOT$ true about Calgon?
6	Statements about heavy water are given below A. Heavy water is used in exchange reactions for the study of reaction mechanisms B. Heavy water is prepared by exhaustive electrolysis of water C. Heavy water has higher boiling point than ordinary water D. Viscosity of $H _{2} O$ is greater than $D _{2} O$
7	Given below are two statements : Two photons having equal linear momenta have equal wavelengths. If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease. In the light of the above statements, choose the correct answer from the options given below.
8	If an emitter current is changed by $4 mA ,$ the collector current changes by $3.5 mA$. The value of $\beta$ will be
9	In Freundlich adsorption isotherm, slope of AB line is:
10	In the given figure, a mass $M$ is attached to a horizontal spring which is fixed on one side to a rigid support. The spring constant of the spring is $k$. The mass oscillates on a frictionless surface with time period $T$ and amplitude $A$. When the mass is in equilibrium position, as shown in the figure, another mass $m$ is gently fixed upon it. The new amplitude of oscillation will be:
11	The correct order of bond dissociation enthalpy of halogens is:
12	Which of the following are isostructural pairs? A. $SO _{4}^{2-}$ and $CrO _{4}^{2-}$ B. $SiCl _{4}$ and $TiCl _{4}$ C. $NH _{3}$ and $NO _{3}^{-}$ D. $BCl _{3}$ and $BrCl _{3}$ $BCl _{3}$ and $BrCl _{3}$

Also Check:

JEE Main Mathematics Syllabus	JEE Main Physics Syllabus	JEE Main Chemistry Syllabus	JEE Main B.Arch/B.Planning Syllabus

JEE Main Previous Year Question Papers

Candidates can solve the question papers of the previous year to analyze their performance levels. To enhance the accuracy level, candidates are advised to solve JEE Main Question Papers daily. JEE Main B.Arch year wise and subject wise question paper links with answer key PDFs are provided below:

JEE Main 2021 Question Papers	JEE Main 2020 Question Papers	JEE Main 2019 Question Paper
JEE Main 2018 Question Paper	JEE Main B.Arch and B.Planning Question Papers	JEE Main Mock Test
JEE Main Physics Question Paper	JEE Main Maths Question Paper	JEE Main Chemistry Question Paper

*The article might have information for the previous academic years, please refer the official website of the exam.

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JEE Main 2021 Aug 4 Shift 2 Question Paper with Solution PDF- Download Here

JEE Main 2021 B.E./B.Tech Question Paper- August 4(Afternoon)

JEE Main 2021 B.Arch Question Paper - Paper Analysis

JEE Main 2021 Questions with Solutions

JEE Main Previous Year Question Papers

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