JEE Main 2021 B.Arch Question Paper for September 2 Afternoon session was said to be moderate in terms of difficulty level. As per the experts, the number of good attempts for JEE Main 2021 B.Arch Question Paper for the Sept 2 Afternoon Session was 58+.
- The Aptitude section was found to be easy by a majority of students.
- Mathematics was a bit tricky and lengthy.
- The drawing section was quite easy
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Candidates preparing for JEE Main 2022 can download the question paper and answer key PDFs using the links provided below.
JEE Main B.Arch Question Paper- September 2, 2021 (Afternoon Session)
JEE Main 2021 B.Arch Paper Analysis- September 2 (Evening Session)
Sections |
Topics with Highest Weightage |
Difficulty Level |
Aptitude |
Fact-Based Questions |
Easy |
Mathematics |
Integrations, Matrices, Area bounded, Differentiation |
Moderate |
Drawing |
Making a Composition out of a shape or drawing a building, Top and Front view |
Easy |
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 (CxHyO2) 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: |
JEE Main B.E/ B. Tech Previous Year Question Paper with Answer Key PDFs
Previous year question papers are a good way to practice and improve skills for an exam, so Collegedunia has provided JEE Main Previous year Question Paper with Solutions PDF for the students to download.
Similar B.Tech Exam Question Papers
*The article might have information for the previous academic years, please refer the official website of the exam.