Exam Details
JEE MAIN 2023 ONLINE 15TH APRIL 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
50
55.6%
Easy
35
38.9%
Hard
5
5.6%
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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2023 · Physics · Modern Physics · Communication Systems
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
The height of transmitting antenna is $180 \mathrm{~m}$ and the height of the receiving antenna is $245 \mathrm{~m}$. The maximum distance between them for satisfactory communication in line of sight will be :
(given $\mathrm{R}=6400 \mathrm{~km})$
(given $\mathrm{R}=6400 \mathrm{~km})$
2023 · Mathematics · Algebra · Vector Algebra
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
Let $S$ be the set of all $(\lambda, \mu)$ for which the vectors $\lambda \hat{i}-\hat{j}+\hat{k}, \hat{i}+2 \hat{j}+\mu \hat{k}$ and $3 \hat{i}-4 \hat{j}+5 \hat{k}$, where $\lambda-\mu=5$, are coplanar, then $\sum\limits_{(\lambda, \mu) \in S} 80\left(\lambda^2+\mu^2\right)$ is equal to :
2023 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
Which one of the following is not an example of calcination?
2023 · Physics · Modern Physics · Atoms And Nuclei
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
The half-life of a radioactive nucleus is 5 years. The fraction of the original sample that would decay in 15 years is:
2023 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
Let the system of linear equations
$-x+2 y-9 z=7$
$-x+3 y+7 z=9$
$-2 x+y+5 z=8$
$-3 x+y+13 z=\lambda$
has a unique solution $x=\alpha, y=\beta, z=\gamma$. Then the distance of the point
$(\alpha, \beta, \gamma)$ from the plane $2 x-2 y+z=\lambda$ is :
$-x+2 y-9 z=7$
$-x+3 y+7 z=9$
$-2 x+y+5 z=8$
$-3 x+y+13 z=\lambda$
has a unique solution $x=\alpha, y=\beta, z=\gamma$. Then the distance of the point
$(\alpha, \beta, \gamma)$ from the plane $2 x-2 y+z=\lambda$ is :
2023 · Chemistry · Inorganic Chemistry · P Block Elements
JEE MAIN 2023 ONLINE 15TH APRIL MORNING SHIFT
For a good quality cement, the ratio of silica to alumina is found to be :