Exam Details
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
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Questions
90
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
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Subtopic distribution
Difficulty distribution
90questions
Medium
45
50%
Easy
38
42.2%
Hard
7
7.8%
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 · Electronic Devices
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
Given below are two statements :
Statement I: In a typical transistor, all three regions emitter, base and collector have same doping level.
Statement II: In a transistor, collector is the thickest and base is the thinnest segment.
In the light of the above statements, choose the most appropriate answer from the options given below.
2023 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
Which one of the following statements is incorrect?
2023 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
Let $P$ be the plane, passing through the point $(1,-1,-5)$ and perpendicular to the line joining the points $(4,1,-3)$ and $(2,4,3)$. Then the distance of $P$ from the point $(3,-2,2)$ is :
2023 · Physics · Modern Physics · Communication Systems
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
Given below are two statements :
Statement I : For transmitting a signal, size of antenna ( $l$ ) should be comparable to wavelength of signal (at least $l=\frac{\lambda}{4}$ in dimension)
Statement II: In amplitude modulation, amplitude of carrier wave remains constant (unchanged).
In the light of the above statements, choose the most appropriate answer from the options given below
2023 · Chemistry · Inorganic Chemistry · S Block Elements
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
The element playing significant role in neuromuscular function and interneuronal transmission is :
2023 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
If a point $\mathrm{P}(\alpha, \beta, \gamma)$ satisfying
$$\left( {\matrix{ \[\alpha & \beta & \gamma \cr\] } } \right)\left( {\matrix{ 2 & {10} & 8 \cr 9 & 3 & 8 \cr 8 & 4 & 8 \cr } } \right) = \left( {\matrix{ 0 & 0 & 0 \cr } } \right)$$
lies on the plane $2 x+4 y+3 z=5$, then $6 \alpha+9 \beta+7 \gamma$ is equal to :
$$\left( {\matrix{ \[\alpha & \beta & \gamma \cr\] } } \right)\left( {\matrix{ 2 & {10} & 8 \cr 9 & 3 & 8 \cr 8 & 4 & 8 \cr } } \right) = \left( {\matrix{ 0 & 0 & 0 \cr } } \right)$$
lies on the plane $2 x+4 y+3 z=5$, then $6 \alpha+9 \beta+7 \gamma$ is equal to :