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Exam Details

JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

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Questions 90
Duration 180 mins
Package IIT-JEE Main - Previous Year Papers

Paper pattern & analysis

Filter this paper by subject, topic or subtopic. Every graph updates from the selected questions.

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Showing all 90 questions in this paper.

Subject distribution

Chemistry
30 Qs
Physics
30 Qs
Mathematics
30 Qs

Topic distribution

Algebra
19 Qs
Mechanics
14 Qs
Inorganic Chemistry
11 Qs
Physical Chemistry
10 Qs
Organic Chemistry
9 Qs
Electricity
9 Qs
Calculus
7 Qs
Modern Physics
5 Qs
Coordinate Geometry
3 Qs
Optics
2 Qs
Trigonometry
1 Qs

Subtopic distribution

3D Geometry
3 Qs
D And F Block Elements
3 Qs
Current Electricity
3 Qs
Biomolecules
3 Qs
P Block Elements
2 Qs
Heat And Thermodynamics
2 Qs
Sequences And Series
2 Qs
Binomial Theorem
2 Qs
Aldehydes Ketones And Carboxylic Acids
2 Qs
Coordination Compounds
2 Qs
Work Power And Energy
2 Qs
Properties Of Matter
2 Qs

Difficulty distribution

Medium 45 50%
Easy 39 43.3%
Hard 6 6.7%

Question type distribution

Multiple Choices 60 66.7%
Numerical Answer Type (NAT) 30 33.3%

Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2023 · Chemistry · Inorganic Chemistry · P Block Elements
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

The correct order of bond enthalpy (\(\mathrm{kJ~mol^{-1}}\)) is :

A
\(\mathrm{C-C > Si-Si > Sn - Sn > Ge-Ge}\)
B
\(\mathrm{Si-Si > C-C > Ge-Ge > Sn-Sn}\)
C
\(\mathrm{C-C > Si-Si > Ge-Ge > Sn-Sn}\)
D
\(\mathrm{Si-Si > C-C > Sn-Sn > Ge-Ge}\)
2
2023 · Physics · Modern Physics · Communication Systems
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

In an amplitude modulation, a modulating signal having amplitude of X Volt is superimposed with a carrier signal of amplitude Y Volt in first case. Then, in second case, the same modulating signal is superimposed with different carrier signal of amplitude 2Y Volt. The ratio of modulation index in the two cases respectively will be :

A
2 : 1
B
1 : 1
C
4 : 1
D
1 : 2
3
2023 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

Let the plane P pass through the intersection of the planes \(2x+3y-z=2\) and \(x+2y+3z=6\), and be perpendicular to the plane \(2x+y-z+1=0\). If d is the distance of P from the point (\(-\)7, 1, 1), then \(\mathrm{d^{2}}\) is equal to :

A
\(\frac{250}{83}\)
B
\(\frac{250}{82}\)
C
\(\frac{15}{53}\)
D
\(\frac{25}{83}\)
4
2023 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

In figure, a straight line is given for Freundrich Adsorption (\(y=3x+2.505\)). The value of \(\frac{1}{n}\) and \(\log \mathrm{K}\) are respectively.

JEE Main 2023 (Online) 1st February Evening Shift Chemistry - Surface Chemistry Question 26 English

A
0.3 and log 2.505
B
3 and 2.505
C
3 and 0.7033
D
0.3 and 0.7033
5
2023 · Physics · Mechanics · Heat And Thermodynamics
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

A Carnot engine operating between two reservoirs has efficiency \(\frac{1}{3}\). When the temperature of cold reservoir raised by x, its efficiency decreases to \(\frac{1}{6}\). The value of x, if the temperature of hot reservoir is \(99^\circ\)C, will be :

A
66 K
B
62 K
C
16.5 K
D
33 K
6
2023 · Mathematics · Algebra · Mathematical Reasoning
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT

Which of the following statements is a tautology?

A
\(\mathrm{p\vee(p\wedge q)}\)
B
\((\mathrm{p\wedge(p\to q))\to\,\sim q}\)
C
\(\mathrm{p\to (p\wedge (p\to q))}\)
D
\((\mathrm{p\wedge q)\to(\sim (p)\to q)}\)