Exam Details
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
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Questions
75
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
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Topic distribution
Subtopic distribution
Difficulty distribution
75questions
Medium
51
68%
Easy
24
32%
Question type distribution
75questions
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.
2020 · Physics · Modern Physics · Atoms And Nuclei
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
Activities of three radioactive substances A, B
and C are represented by the curves A, B and
C, in the figure. Then their half-lives
\({T_{{1 \over 2}}}\left( A \right)\) : \({T_{{1 \over 2}}}\left( B \right)\) : \({T_{{1 \over 2}}}\left( C \right)\) are in the ratio :
\({T_{{1 \over 2}}}\left( A \right)\) : \({T_{{1 \over 2}}}\left( B \right)\) : \({T_{{1 \over 2}}}\left( C \right)\) are in the ratio :
2020 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
Identify the correct molecular picture showing
that happens at the critical micellar
concentration (CMC) of an aqueous solution of
a surfactant ( ◍ polar head; ∼ non-polar tail;
● water).
2020 · Mathematics · Algebra · Sequences And Series
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
If 210 + 29.31 + 28
.32 +.....+ 2.39 + 310 = S - 211, then S is equal to :
2020 · Physics · Mechanics · Units And Measurements
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
A physical quantity z depends on four
observables
a, b, c and d, as z = \({{{a^2}{b^{{2 \over 3}}}} \over {\sqrt c {d^3}}}\). The percentages of error in the measurement of a, b, c and d are 2%, 1.5%, 4% and 2.5% respectively. The percentage of error in z is :
a, b, c and d, as z = \({{{a^2}{b^{{2 \over 3}}}} \over {\sqrt c {d^3}}}\). The percentages of error in the measurement of a, b, c and d are 2%, 1.5%, 4% and 2.5% respectively. The percentage of error in z is :
2020 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
An Ellingham diagram provides information
about :
2020 · Mathematics · Coordinate Geometry · Parabola
JEE MAIN 2020 ONLINE 5TH SEPTEMBER MORNING SLOT
If the common tangent to the parabolas,
y2 = 4x and x2 = 4y also touches the circle, x2 + y2 = c2,
then c is equal to :
y2 = 4x and x2 = 4y also touches the circle, x2 + y2 = c2,
then c is equal to :