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Exam Details

JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT

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Questions 75
Duration 180 mins
Package IIT-JEE Main - Previous Year Papers

Paper pattern & analysis

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Showing all 75 questions in this paper.

Subject distribution

Chemistry
25 Qs
Physics
25 Qs
Mathematics
25 Qs

Topic distribution

Algebra
13 Qs
Mechanics
12 Qs
Physical Chemistry
9 Qs
Inorganic Chemistry
8 Qs
Organic Chemistry
8 Qs
Electricity
8 Qs
Calculus
7 Qs
Modern Physics
3 Qs
Coordinate Geometry
3 Qs
Optics
2 Qs
Trigonometry
1 Qs
Algebra
1 Qs

Subtopic distribution

Heat And Thermodynamics
3 Qs
P Block Elements
2 Qs
Rotational Motion
2 Qs
Some Basic Concepts Of Chemistry
2 Qs
Properties Of Matter
2 Qs
Electrochemistry
2 Qs
Hydrocarbons
2 Qs
Sequences And Series
2 Qs
Limits Continuity And Differentiability
2 Qs
Magnetics
2 Qs
Coordination Compounds
2 Qs
Basics Of Organic Chemistry
2 Qs

Difficulty distribution

Medium 48 64%
Easy 24 32%
Hard 3 4%

Question type distribution

Multiple Choices 60 80%
Numerical Answer Type (NAT) 15 20%

Syllabus

Full Syllabus

Sample questions from this paper

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

1
2020 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
Tyndall effect is observed when:
A
The diameter of dispersed particles is similar to the wavelenght of light used.
B
The diameter of dispersed particles is much smaller than the wavelength of light used.
C
The diameter of dispersed particles is much larger than the wavelength of light used.
D
The refractive index of dispersed phase is greater than that of the dispersion medium.
2
2020 · Physics · Modern Physics · Atoms And Nuclei
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
In a radioactive material, fraction of active material remaining after time t is 9/16. The fraction that was remaining after t/2 is
A
\({3 \over 4}\)
B
\({4 \over 5}\)
C
\({3 \over 5}\)
D
\({7 \over 8}\)
3
2020 · Mathematics · Algebra · Mathematical Reasoning
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
The proposition p \(\to\) ~ (p \(\wedge\) ~q) is equivalent to :
A
(\(\sim\)p) \(\vee\) q
B
q
C
(\(\sim\)p) \(\wedge\) q
D
(\(\sim\)p) \(\vee\) (\(\sim\)q)
4
2020 · Chemistry · Inorganic Chemistry · Environmental Chemistry
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
Thermal power plants can lead to :
A
Ozone layer depletion
B
Blue baby syndrome
C
Eutrophication
D
Acid rain
5
2020 · Physics · Mechanics · Rotational Motion
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
A person of 80 kg mass is standing on the rim of a circular platform of mass 200 kg rotating about its axis at 5 revolutions per minute (rpm). The person now starts moving towards the centre of the platform. What will be the rotational speed (in rpm) of the platform when the person reaches its centre _________.
Enter a numerical response
6
2020 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2020 ONLINE 3RD SEPTEMBER MORNING SLOT
The foot of the perpendicular drawn from the point (4, 2, 3) to the line joining the points (1, –2, 3) and (1, 1, 0) lies on the plane :
A
x – 2y + z = 1
B
x + 2y – z = 1
C
x – y – 2y = 1
D
2x + y – z = 1