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Exam Details

JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT

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

Paper pattern & analysis

Filter this paper by subject, topic or subtopic. Every graph updates from the selected questions.

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

Subtopic distribution

P Block Elements
3 Qs
Sequences And Series
3 Qs
Properties Of Matter
3 Qs
Rotational Motion
3 Qs
Capacitor
3 Qs
Hydrocarbons
3 Qs
Structure Of Atom
2 Qs
Compounds Containing Nitrogen
2 Qs
Application Of Derivatives
2 Qs
Definite Integration
2 Qs
3D Geometry
2 Qs
Heat And Thermodynamics
2 Qs

Difficulty distribution

Medium 53 58.9%
Easy 36 40%
Hard 1 1.1%

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 · Atoms And Nuclei
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
In a radioactive decay chain, the initial nucleus is \({}_{90}^{232}\)Th. At the end there are 6 \(\alpha\)-particles and 4 \(\beta\)-particles which are emitted. If the end nucleus is \({}_Z^A\)X, A and Z are given by :
A
A = 208; Z = 80
B
A = 208; Z = 82
C
A = 200; Z = 81
D
A = 202; Z = 80
2
2019 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
Among the following the false statement is -
A
Lyophilic sol can be coagulated by adding an electrote
B
Tyndall effect can be used to distinguish between a colloidal solution and a true solution
C
It is possible to cause artificial rain by throwing electrified sand carrying charge opposite to the one on clouds from an aeroplane
D
Latex is a colloidal solution of rubber particles which are positively charged
3
2019 · Mathematics · Algebra · Sequences And Series
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
If the sum of the first 15 terms of the series \({\left( {{3 \over 4}} \right)^3} + {\left( {1{1 \over 2}} \right)^3} + {\left( {2{1 \over 4}} \right)^3} + {3^3} + {\left( {3{3 \over 4}} \right)^3} + ....\) is equal to 225 k, then k is equal to :
A
9
B
108
C
27
D
54
4
2019 · Physics · Modern Physics · Electronic Devices
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
In the figure, given that VBB supply can vary from 0 to 5.0 V, VCC = 5V, \(\beta\)dc = 200, RB = 100 k\(\Omega\), RC = 1 k\(\Omega\) and VBE = 1.0 V. The minimum base current and the input voltage at which the transistor will go to saturation, will be respectively :

JEE Main 2019 (Online) 12th January Evening Slot Physics - Semiconductor Question 187 English
A
20 \(\mu\)A and 2.8 V
B
25 \(\mu\)A and 2.8 V
C
20 \(\mu\)A and 3.5 V
D
25 \(\mu\)A and 3.5 V
5
2019 · Chemistry · Physical Chemistry · Gaseous State
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
An open vessel at 27oC is heated until two fifth of the air (assumed as an ideal gas) it has escaped from the vessel assuming that the volume of the vessel remains constant, the temperature at which the vessel has been heated is -
A
750 K
B
500oC
C
750oC
D
500 K
6
2019 · Mathematics · Coordinate Geometry · Parabola
JEE MAIN 2019 ONLINE 12TH JANUARY EVENING SLOT
The equation of a tangent to the parabola, x2 = 8y, which makes an angle \(\theta\) with the positive directions of x-axis, is :
A
x = y cot \(\theta\) – 2 tan \(\theta\)
B
y = x tan \(\theta\) + 2 cot \(\theta\)
C
x = y cot \(\theta\) + 2 tan \(\theta\)
D
y = x tan \(\theta\) – 2 cot \(\theta\)