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Exam Details

JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT

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

Paper pattern & analysis

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Showing all 90 questions in this paper.

Subject distribution

Physics
30 Qs
Chemistry
30 Qs
Mathematics
30 Qs

Topic distribution

Algebra
17 Qs
Mechanics
14 Qs
Physical Chemistry
10 Qs
Inorganic Chemistry
9 Qs
Organic Chemistry
9 Qs
Electricity
9 Qs
Calculus
8 Qs
Modern Physics
5 Qs
Coordinate Geometry
4 Qs
Optics
2 Qs
Organic Chemistry
2 Qs
Trigonometry
1 Qs

Subtopic distribution

Current Electricity
3 Qs
Aldehydes Ketones And Carboxylic Acids
3 Qs
Waves
2 Qs
P Block Elements
2 Qs
3D Geometry
2 Qs
Sequences And Series
2 Qs
Units And Measurements
2 Qs
Work Power And Energy
2 Qs
Heat And Thermodynamics
2 Qs
Simple Harmonic Motion
2 Qs
Dual Nature Of Radiation
2 Qs
Thermodynamics
2 Qs

Difficulty distribution

Medium 65 72.2%
Easy 24 26.7%
Hard 1 1.1%

Question type distribution

Multiple Choices 90 100%

Syllabus

Full Syllabus

Sample questions from this paper

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

1
2018 · Physics · Mechanics · Waves
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
Two sitar strings, A and B, playing the note 'Dha' are slightly out of tune and produce beats of frequency 5 Hz. The tension of the string B s slightly increased and the beat frequency is found to decrease by 3Hz. If the frequency of A is 425 Hz, the original frequency of B is :
A
430 Hz
B
420 Hz
C
428 Hz
D
422 Hz
2
2018 · Chemistry · Inorganic Chemistry · P Block Elements
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
Among the oxides of nitrogen : N2O3, N2O4 and N2O5; the molecule(s) having nitrogen-nitrogen bond is / are :
A
Only N2O5
B
N2O3 and N2O5
C
N2O4 and N2O5
D
N2O3 and N2O4
3
2018 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
The sum of the intercepts on the coordinate axes of the plane passing through the point (\(-\)2, \(-2,\) 2) and containing the line joining the points (1, \(-\)1, 2) and (1, 1, 1) is :
A
4
B
\(-\) 4
C
\(-\) 8
D
12
4
2018 · Physics · Modern Physics · Atoms And Nuclei
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
At some instant, a radioactive sample S1 having an activity 5 \(\mu\)Ci has twice the number of nuclei as another sample S2 which has an activity of 10 \(\mu\)Ci. The half lives of S1 and S2 are :
A
20 years and 5 years, respectively
B
20 years and 10years, respectively
C
5 years and 20 years, respectively
D
10 years and 20 years, respectively
5
2018 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
Which one of the following is not a property of physical adsorption?
A
Higher the pressure, mre the adsorption
B
Lower the temperature, more the adsorption
C
Greater the surface area, more the adsorption
D
Unilayer adsorption ocurs
6
2018 · Mathematics · Algebra · Sequences And Series
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
The sum of the first 20 terms of the series

\(1 + {3 \over 2} + {7 \over 4} + {{15} \over 8} + {{31} \over {16}} + ...,\) is :
A
\(38 + {1 \over {{2^{19}}}}\)
B
\(38 + {1 \over {{2^{20}}}}\)
C
\(39 + {1 \over {{2^{20}}}}\)
D
\(39 + {1 \over {{2^{19}}}}\)