Exam Details
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
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Questions
90
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
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Topic distribution
Subtopic distribution
Difficulty distribution
90questions
Medium
47
52.2%
Easy
40
44.4%
Hard
3
3.3%
Question type distribution
90questions
Multiple Choices
60
66.7%
Numerical Answer Type (NAT)
30
33.3%
Syllabus
Full Syllabus
Sample questions from this paper
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2021 · Chemistry · Inorganic Chemistry · S Block Elements
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
The correct order of conductivity of ions in water is :
2021 · Physics · Mechanics · Heat And Thermodynamics
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
A Carnot's engine working between 400 K and 800 K has a work output of 1200 J per cycle. The amount of heat energy supplied to the engine from the source in each cycle is :
2021 · Mathematics · Algebra · Mathematical Reasoning
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
If the Boolean expression (p \(\Rightarrow\) q) \(\Leftrightarrow\) (q * (\(\sim\)p) is a tautology, then the boolean expression (p * (\(\sim\)q)) is equivalent to :
2021 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
The point of intersection and sudden increase in the slope, in the diagram given below, respectively, indicates :


2021 · Physics · Modern Physics · Communication Systems
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
For VHF signal broadcasting, ___________ km2 of maximum service area will be covered by an antenna tower of height 30 m, if the receiving antenna is placed at ground. Let radius of the earth be 6400 km. (Round off to the Nearest Integer) (Take \(\pi\) as 3.14)
Enter a numerical response
2021 · Mathematics · Algebra · Matrices And Determinants
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
If \(A = \left( {\matrix{
0 & {\sin \alpha } \cr
\[{\sin \alpha } & 0 \cr\]
} } \right)\) and \(\det \left( {{A^2} - {1 \over 2}I} \right) = 0\), then a possible value of \(\alpha\) is :