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JEE Main 2021 Aug 26 Shift 2 Question Paper with Solution PDF- Download Here

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Content Curator updated | Updated On - Mar 7, 2023

JEE Main 2021 B.E./B.Tech Question Paper - August 26, 2021-Afternoon session was rated to be of moderate difficulty by the experts. The paper was a little tougher than the Forenoon session (Shift 1). Physics was the toughest section of the paper, consisting of a few complex numerical from Mechanics. Mathematics was second on the scale of difficulty, due to the inclusion of a few lengthy calculation-based questions. Chemistry was the easiest section of the paper, consisting of simple named reactions, and basic theory. Candidates preparing for JEE Main 2022, can download the August 26, 2021 Afternoon Question Paper and Solutions for analysis from the links given below.

JEE Main B.E./B.Tech Question Paper- August 26, 2021 Afternoon

JEE Main 2021 Question Paper	JEE Main 2021 Answer Key
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JEE Main 2021 B.E./B.Tech Question Paper August 26 (AN): Weightage of Topics

JEE Main 2021 B.E./B.Tech Paper on August 26 Afternoon Session was conducted between 3.00 PM to 6.00 Noon. As per JEE Main Paper Analysis, the topics with the highest weightage in the August 26, 2021 Afternoon Question Paper are as follows:

Subject	Topic	Marks in the Paper (including NATs)
Physics	Current Electricity, Electrostatics, Electromagnetic Induction	24 (8 marks each)
	Error in Measurement	8
	Heat and Thermodynamics	16
	Rectilinear motion, Circular Motion	16 (8 marks each)
	Optics	8
	Semicondcutors	8
	Electromagnetic Waves and Communication	8
Chemistry	Chemical Bonding	8
	p block elements	12
	Coordination Compounds	12
	Aromatic Compounds	8
	Mole Concept	8
Mathematics	Coordinate Geometry	8
	Complex Numbers	8
	Differential Calculus	8
	Integral Calculus	8
	Quadratic Equations	8
	Vectors and 3D	8
	Trignometry	8

JEE Main 2021 Questions with Solutions

1	According to Bohr's atomic theory :- (A) Kinetic energy of electron is ∝Z²/n². (B) The product of velocity (v) of electron and principal quantum number (n), 'vn' ∝Z². (C) Frequency of revolution of electron in an orbit is ∝Z³/n³. (D) Coulombic force of attraction on the electron is ∝Z³/n⁴. Choose the most appropriate answer from the options given below:
2	Complete combustion of 1.80g of an oxygen containing compound (C_xH_yO₂) gave 2.64g of CO₂ and 1.08g of H₂O. The percentage of oxygen in the organic compound is:
3	Out of the following, which type of interaction is responsible for the stabilisation of ∝ -helix structure of proteins?
4	(A) HOCl + H₂O₂→ H₃O⁺+ Cl⁻+ O₂ (B) I₂+ H₂O₂+ 2OH⁻ → 2I⁻ + 2H₂O + O₂ Choose the correct option.
5	Which of the following equation depicts the oxidizing nature of H₂O₂?
6	Given below are two statements: Statement I : Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame. Statement II : Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame. In the light of the above statements, choose the most appropriate answer from the options given below.
7	Which of the following reaction/s will not give p− aminoazobenzene?
8	In the given figure, the energy levels of hydrogen atom have been shown along with some transitions marked $A , B , C , D$ and $E$. The transitions $A, B$ and $C$ respectively represent :
9	Four identical particles of equal masses $1 kg$ made to move along the circumference of a circle of radius $1 m$ under the action of their own mutual gravitational attraction. The speed of each particle will be :
10	If an emitter current is changed by $4 mA ,$ the collector current changes by $3.5 mA$. The value of $\beta$ will be
11	Match List -I with List -II
12	Each side of a box made of metal sheet in cubic shape is 'a' at room temperature 'T', the coefficient of linear expansion of the metal sheet is ' $\alpha^{\prime}$. The metal sheet is heated uniformly, by a small temperature $\Delta T ,$ so that its new temperature is $T +\Delta T$. Calculate the increase in the volume of the metal box.
13	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:

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JEE Main 2022 Physics Preparation	JEE Main 2022 Chemistry Preparation	JEE Main 2022 Mathematics Preparation

JEE Main B.E/ B. Tech Previous Year Question Paper with Answer Key PDFs

JEE Main 2022 aspirants should attempt the previous years’ question papers for practice. The links for JEE Main Previous Year Question Papers and Answer Key PDFs are given below:

JEE Main 2020 Question Paper	JEE Main 2019 Question Paper	JEE Main 2018 Question Paper
JEE Main Physics Question Paper	JEE Main Maths Question Paper	JEE Main Chemistry Question Paper

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

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