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Exam Details

JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

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Questions 90
Duration 180 mins
Package IIT-JEE Main - Previous Year Papers

Paper pattern & analysis

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Showing all 90 questions in this paper.

Subject distribution

Physics
30 Qs
Chemistry
30 Qs
Mathematics
30 Qs

Topic distribution

Algebra
15 Qs
Mechanics
14 Qs
Physical Chemistry
11 Qs
Inorganic Chemistry
11 Qs
Calculus
9 Qs
Organic Chemistry
8 Qs
Electricity
8 Qs
Modern Physics
5 Qs
Coordinate Geometry
4 Qs
Optics
3 Qs
Trigonometry
2 Qs

Subtopic distribution

Properties Of Matter
3 Qs
D And F Block Elements
3 Qs
Heat And Thermodynamics
2 Qs
Atoms And Nuclei
2 Qs
3D Geometry
2 Qs
Matrices And Determinants
2 Qs
Waves
2 Qs
Current Electricity
2 Qs
Some Basic Concepts Of Chemistry
2 Qs
Alternating Current
2 Qs
Chemical Kinetics And Nuclear Chemistry
2 Qs
Chemical Bonding And Molecular Structure
2 Qs

Difficulty distribution

Medium 42 46.7%
Easy 39 43.3%
Hard 9 10%

Question type distribution

Multiple Choices 60 66.7%
Numerical Answer Type (NAT) 30 33.3%

Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2022 · Physics · Mechanics · Heat And Thermodynamics
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

A Carnot engine has efficiency of \(50 \%\). If the temperature of sink is reduced by \(40^{\circ} \mathrm{C}\), its efficiency increases by \(30 \%\). The temperature of the source will be:

A
166.7 K
B
255.1 K
C
266.7 K
D
367.7 K
2
2022 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

Match List - I with List - II.

List - I
Reaction		 List - II
Catalyst
(A) $$4N{H_3}(g) + 5{O_2}(g) \to 4NO(g) + 6{H_2}O(g)$$ (I) $$NO(g)$$
(B) $${N_2}(g) + 3{H_2}(g) \to 2N{H_3}(g)$$ (II) $${H_2}S{O_4}(l)$$
(C) $${C_{12}}{H_{22}}{O_{11}}(aq) + {H_2}O(l) \to \mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} + \mathop {{C_6}{H_{12}}{O_6}}\limits_{Fructose}$$ (III) $$Pt(s)$$
(D) $$2S{O_2}(g) + {O_2}(g) \to 2S{O_3}(g)$$ (IV) $$Fe(s)$$

Choose the correct answer from the options given below :

A
\((\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{III}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})\)
B
\((\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{II}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})\)
C
\((\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{II}),(\mathrm{D})-(\mathrm{I})\)
D
(A) - (III), (B) - (II), (C) - (IV), (D) - (I)
3
2022 · Mathematics · Algebra · Sequences And Series
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

Consider the sequence \(a_{1}, a_{2}, a_{3}, \ldots\) such that \(a_{1}=1, a_{2}=2\) and \(a_{n+2}=\frac{2}{a_{n+1}}+a_{n}\) for \(\mathrm{n}=1,2,3, \ldots .\) If \(\left(\frac{\mathrm{a}_{1}+\frac{1}{\mathrm{a}_{2}}}{\mathrm{a}_{3}}\right) \cdot\left(\frac{\mathrm{a}_{2}+\frac{1}{\mathrm{a}_{3}}}{\mathrm{a}_{4}}\right) \cdot\left(\frac{\mathrm{a}_{3}+\frac{1}{\mathrm{a}_{4}}}{\mathrm{a}_{5}}\right) \ldots\left(\frac{\mathrm{a}_{30}+\frac{1}{\mathrm{a}_{31}}}{\mathrm{a}_{32}}\right)=2^{\alpha}\left({ }^{61} \mathrm{C}_{31}\right)\), then \(\alpha\) is equal to :

A
\(-\)30
B
\(-\)31
C
\(-\)60
D
\(-\)61
4
2022 · Physics · Modern Physics · Communication Systems
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

In the case of amplitude modulation to avoid distortion the modulation index \((\mu)\) should be :

A
\(\mu \leq 1\)
B
\(\mu \geq 1\)
C
\(\mu = 2\)
D
\(\mu = 0\)
5
2022 · Chemistry · Inorganic Chemistry · S Block Elements
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

Which of the following statement is incorrect?

A
Low solubility of LiF in water is due to its small hydration enthalpy.
B
\(\mathrm{KO}_{2}\) is paramagnetic.
C
Solution of sodium in liquid ammonia is conducting in nature.
D
Sodium metal has higher density than potassium metal.
6
2022 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2022 ONLINE 28TH JULY MORNING SHIFT

The foot of the perpendicular from a point on the circle \(x^{2}+y^{2}=1, z=0\) to the plane \(2 x+3 y+z=6\) lies on which one of the following curves?

A
\((6 x+5 y-12)^{2}+4(3 x+7 y-8)^{2}=1, z=6-2 x-3 y\)
B
\((5 x+6 y-12)^{2}+4(3 x+5 y-9)^{2}=1, z=6-2 x-3 y\)
C
\((6 x+5 y-14)^{2}+9(3 x+5 y-7)^{2}=1, z=6-2 x-3 y\)
D
\((5 x+6 y-14)^{2}+9(3 x+7 y-8)^{2}=1, z=6-2 x-3 y\)