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JEE Main 2021 Aug 27 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 for August 27, 2021 Afternoon session, was declared to be of moderate difficulty by expert educational instructors. The paper was relatively easier than that of the forenoon session. Mathematics was the toughest section of the paper, followed by Chemistry and then the Physics section. JEE Main August 27, 2021 Afternoon (Shift 2) Question Paper and Answer Key are available below for JEE Main 2022 aspirants to practice from.

JEE Main B.E./B.Tech Question Paper- August 27, 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 27 (AN): Weightage of Topics

JEE Main 2021 B.E./B.Tech August 27 Afternoon Session was conducted between 3.00 PM to 6.00 PM. In accordance with JEE Main Paper Analysis, the units with the highest weightage in the August 27, 2021 Shift 2 (afternoon) Question Paper are tabulated below:

Subject	Units	Marks (including NATs)
Physics	Electrodynamics	32
	Mechanics	32
	Modern Physics	20
	SHM and Waves	12
	Thermodynamics	12
Chemistry	Organic Chemistry II	32
	Inorganic Chemistry II	28
	Physical Chemistry	20
Mathematics	Coordinate Geometry	8
	Trigonometry	16
	Differential Calculus	24
	Integral Calculus	20
	Vectors and 3D	8
	Quadratic Equations	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 Physics Exam Pattern	JEE Main Chemistry Exam Pattern	JEE Main Mathematics Exam Pattern

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

Candidates preparing for JEE Main 2022 must check out the previous year’s question papers for practice. Collegedunia has provided JEE Main Previous Year Question paper pdf with answer key in the links 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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