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Exam Details

JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT

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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

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

Subtopic distribution

Application Of Derivatives
3 Qs
Alcohols Phenols And Ethers
3 Qs
Heat And Thermodynamics
3 Qs
Surface Chemistry
2 Qs
Solutions
2 Qs
3D Geometry
2 Qs
Coordination Compounds
2 Qs
Basics Of Organic Chemistry
2 Qs
Center Of Mass
2 Qs
Rotational Motion
2 Qs
Properties Of Matter
2 Qs
Waves
2 Qs

Difficulty distribution

Medium 56 62.2%
Easy 34 37.8%

Question type distribution

Multiple Choices 90 100%

Syllabus

Full Syllabus

Sample questions from this paper

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

1
2019 · Physics · Modern Physics · Electronic Devices
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
An NPN transistor is used in common emitter configuration as an amplifier with 1 k\(\Omega\) load resistance. Signal voltage of 10 mV is applied across the base-emitter. This produces a 3 mA change in the collector current and 15μA change in the base current of the amplifier. The input resistance and voltage gain are :
A
0.67 kW, 200
B
0.33 kW, 1.5
C
0.67 kW, 300
D
0.33 kW, 300
2
2019 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
Consider the van der Waals constants, a and b, for the following gases.

Gas Ar Ne Kr Xe
a/ (atm dm6 mol–2) 1.3 0.2 5.1 4.1
b/ (10–2 dm3 mol–1) 3.2 1.7 1.0 5.0

Which gas is expected to have the highest critical temperature?
A
Ne
B
Kr
C
Xe
D
Ar
3
2019 · Mathematics · Calculus · Application Of Derivatives
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
Let S be the set of all values of x for which the tangent to the curve
y = ƒ(x) = x3 – x2 – 2x at (x, y) is parallel to the line segment joining the points (1, ƒ(1)) and (–1, ƒ(–1)), then S is equal to :
A
\(\left\{ { {1 \over 3}, - 1} \right\}\)
B
\(\left\{ { - {1 \over 3}, 1} \right\}\)
C
\(\left\{ { - {1 \over 3}, - 1} \right\}\)
D
\(\left\{ { {1 \over 3}, 1} \right\}\)
4
2019 · Physics · Modern Physics · Communication Systems
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
A signal Acoswt is transmitted using v0 sin \(\omega\)0t as carrier wave. The correct amplitude modulated (AM) signal is
A
v0 sin \(\omega\)0t + Acos\(\omega\)t
B
(v0 + A)cos\(\omega\)t sin\(\omega\)0 t
C
v0 sin[\(\omega\)0 (1+ 0.01Asin\(\omega\)t)t]
D
\({v_0}\sin {\omega _0}t + {{\rm A} \over 2}\sin ({\omega _0} - \omega )t + {A \over 2}\sin ({\omega _0} + \omega )t\)
5
2019 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
Match the catalysts (Column I) with products (Column II).

Column I Column II
(A) V2O5 (i) Polyethylene
(B) TiCl4/Al(Me)3 (ii) ethanal
(C) PdCl2 (iii) H2SO4
(D) Iron Oxide (iv) NH3
A
(A)-(iii); (B)-(i); (C)-(ii); (D)-(iv)
B
(A)-(ii); (B)-(iii); (C)-(i); (D)-(iv)
C
(A)-(iii); (B)-(iv); (C)-(i); (D)-(ii)
D
(A)-(iv); (B)-(iii); (C)-(ii); (D)-(i)
6
2019 · Mathematics · Trigonometry · Trigonometric Functions And Equations
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
Let S = {\(\theta\) \(\in\) [–2\(\pi\), 2\(\pi\)] : 2cos2\(\theta\) + 3sin\(\theta\) = 0}. Then the sum of the elements of S is
A
\(\pi\)
B
2\(\pi\)
C
\({{13\pi } \over 6}\)
D
\({{5\pi } \over 3}\)