Exam Details
JEE MAIN 2021 ONLINE 17TH MARCH EVENING 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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2021 · Physics · Mechanics · Simple Harmonic Motion
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm. After 2 minutes the amplitude decreases to 6 cm. Determine the value of the damping constant for this motion . (take ln 2 = 0.693)
2021 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
For the coagulation of a negative sol, the species below, that has the highest flocculating power is :
2021 · Mathematics · Algebra · Binomial Theorem
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
The value of \(\sum\limits_{r = 0}^6 {\left( {{}^6{C_r}\,.\,{}^6{C_{6 - r}}} \right)}\) is equal to :
2021 · Physics · Modern Physics · Communication Systems
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
A carrier signal C(t) = 25 sin(2.512 \(\times\) 1010t) is amplitude modulated by a message signal m(t) = 5 sin(1.57 \(\times\) 108t) and transmitted through an antenna. What will be the bandwidth of the modulated signal?
2021 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
Match List - I with List - II :
Choose the correct answer from the options given below :
| List - I | List - II | ||
|---|---|---|---|
| (a) | Haematite | (i) | $$A{l_2}{O_3}\,.\,x{H_2}O$$ |
| (b) | Bauxite | (ii) | $$F{e_2}{O_3}$$ |
| (c) | Magnetite | (iii) | $$CuC{O_3}\,.\,Cu{(OH)_2}$$ |
| (d) | Malachite | (iv) | $$F{e_3}{O_4}$$ |
Choose the correct answer from the options given below :
2021 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2021 ONLINE 17TH MARCH EVENING SHIFT
If the equation of plane passing through the mirror image of a point (2, 3, 1) with respect to line \({{x + 1} \over 2} = {{y - 3} \over 1} = {{z + 2} \over { - 1}}\) and containing the line \({{x - 2} \over 3} = {{1 - y} \over 2} = {{z + 1} \over 1}\) is \(\alpha\)x + \(\beta\)y + \(\gamma\)z = 24, then \(\alpha\) + \(\beta\) + \(\gamma\) is equal to :