Exam Details
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
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Questions
75
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
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Subtopic distribution
Difficulty distribution
75questions
Medium
48
64%
Easy
25
33.3%
Hard
2
2.7%
Question type distribution
75questions
Multiple Choices
60
80%
Numerical Answer Type (NAT)
15
20%
Syllabus
Full Syllabus
Sample questions from this paper
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2020 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
For the following Assertion and Reason, the
correct option is
Assertion : For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements.
Reason : The reactants are most strongly adsorbed on group 7-9 elements.
Assertion : For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements.
Reason : The reactants are most strongly adsorbed on group 7-9 elements.
2020 · Physics · Mechanics · Heat And Thermodynamics
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
A carnot engine having an efficiency of \({1 \over {10}}\) is
being used as a refrigerator. If the work done
on the refrigerator is 10 J, the amount of
heat absorbed from the reservoir at lower
temperature is :
2020 · Mathematics · Calculus · Application Of Derivatives
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
The length of the perpendicular from the origin,
on the normal to the curve,
x2 + 2xy – 3y2 = 0 at the point (2,2) is
x2 + 2xy – 3y2 = 0 at the point (2,2) is
2020 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
Among the reactions (a) - (d), the reaction(s)
that does/do not occur in the blast furnace
during the extraction of iron is/are :
(a) CaO + SiO2 \(\to\) CaSiO3
(b) 3Fe2O3 + CO \(\to\) 2Fe3O4 + CO2
(c) FeO + SiO2 \(\to\) FeSiO3
(d) FeO \(\to\) Fe + \({{1 \over 2}}\)O2
(a) CaO + SiO2 \(\to\) CaSiO3
(b) 3Fe2O3 + CO \(\to\) 2Fe3O4 + CO2
(c) FeO + SiO2 \(\to\) FeSiO3
(d) FeO \(\to\) Fe + \({{1 \over 2}}\)O2
2020 · Physics · Optics · Wave Optics
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
In a double slit experiment, at a certain point
on the screen the path difference between the
two interfering waves is \({1 \over 8}\)th of a wavelength.
The ratio of the intensity of light at that point
to that at the centre of a bright fringe is :
2020 · Mathematics · Coordinate Geometry · Circle
JEE MAIN 2020 ONLINE 8TH JANUARY EVENING SLOT
If a line, y = mx + c is a tangent to the circle,
(x – 3)2 + y2 = 1 and it is perpendicular to a line L1, where L1 is the tangent to the circle, x2 + y2 = 1 at the point \(\left( {{1 \over {\sqrt 2 }},{1 \over {\sqrt 2 }}} \right)\), then :