Exam Details
JEE Main 2021 (Online) 26th February Morning Shift
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Questions
90
Duration
60 mins
Package
IIT-JEE Main - Previous Year Papers
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Topic distribution
Subtopic distribution
Difficulty distribution
90questions
Medium
51
56.7%
Easy
39
43.3%
Question type distribution
90questions
Multiple Choices
60
66.7%
Numerical Answer Type (NAT)
30
33.3%
Sample questions from this paper
Questions are selected across the paper subjects wherever the paper contains that variety.
2021 · Chemistry · Inorganic Chemistry · Hydrogen
JEE Main 2021 (Online) 26th February Morning Shift
Statements about heavy water are given below :
A. Heavy water is used in exchange reactions for the study of reaction mechanisms.
B. Heavy water is prepared by exhaustive electrolysis of water.
(C) Heavy water has higher boiling point than ordinary water.
(D) Viscosity of H2O is greater than D2O.
Choose the most appropriate answer from the options given below :
A. Heavy water is used in exchange reactions for the study of reaction mechanisms.
B. Heavy water is prepared by exhaustive electrolysis of water.
(C) Heavy water has higher boiling point than ordinary water.
(D) Viscosity of H2O is greater than D2O.
Choose the most appropriate answer from the options given below :
2021 · Mathematics · Algebra · Vector Algebra
JEE Main 2021 (Online) 26th February Morning Shift
If \(\overrightarrow a\) and \(\overrightarrow b\) are perpendicular, then
\(\overrightarrow a \times \left( {\overrightarrow a \times \left( {\overrightarrow a \times \left( {\overrightarrow a \times \overrightarrow b } \right)} \right)} \right)\) is equal to :
\(\overrightarrow a \times \left( {\overrightarrow a \times \left( {\overrightarrow a \times \left( {\overrightarrow a \times \overrightarrow b } \right)} \right)} \right)\) is equal to :
2021 · Physics · Modern Physics · Communication Systems
JEE Main 2021 (Online) 26th February Morning Shift
The maximum and minimum amplitude of an amplitude modulated wave is 16V and 8V respectively. The modulation index for this amplitude modulated wave is x \(\times\) 10\(-\)2. The value of x is __________.
Enter a numerical response
2021 · Chemistry · Inorganic Chemistry · Isolation Of Elements
JEE Main 2021 (Online) 26th February Morning Shift
Match List - I with List - II.
Choose the most appropriate answer from the options given below :
| List - I (Ore) | List - II (Element Present) | ||
|---|---|---|---|
| (a) | Kernite | (i) | Tin |
| (b) | Cassiterite | (ii) | Boron |
| (c) | Calamine | (iii) | Fluorine |
| (d) | Cryolite | (iv) | Zinc |
Choose the most appropriate answer from the options given below :
2021 · Mathematics · Algebra · 3D Geometry
JEE Main 2021 (Online) 26th February Morning Shift
Consider the three planes
P1 : 3x + 15y + 21z = 9,
P2 : x \(-\) 3y \(-\) z = 5, and
P3 : 2x + 10y + 14z = 5
Then, which one of the following is true?
P1 : 3x + 15y + 21z = 9,
P2 : x \(-\) 3y \(-\) z = 5, and
P3 : 2x + 10y + 14z = 5
Then, which one of the following is true?
2021 · Physics · Mechanics · Laws Of Motion
JEE Main 2021 (Online) 26th February Morning Shift
A boy pushes a box of mass 2 kg with a force \(\overrightarrow F = \left( {20\widehat i + 10\widehat j} \right)N\) on a frictionless surface. If the box was initially at rest, then ___________ m is displacement along the x-axis after 10s.
Enter a numerical response