Download JEE Main 2026 January 21 Shift 1 Paper PDF
You can download JEE Mains 2026 21st Jan shift 1 question paper with solutions from here. Aspirants can analyse the exam difficulty using the JEE Mains 2026 question paper. Candidates will be able to download the JEE Main 2026 Question Paper 21 January Shift 1 question paper below. You will be able to download the JEE Main 2026 Jan 21 Shift 1 question paper PDF from the table below:
The shift exam was conducted from 9 AM to 12 PM. Here you can find the JEE Main 2026 January 21 shift 2 question paper pdf now. Exam takers can use this question paper for JEE Main 2026 21 Jan shift 1, as a practice for further sessions. The JEE Main 2026 session 1 result will be released by February 12, 2026. Check the JEE Main College Predictor 2026 as a tool to predict the admission chances in top colleges based on the test performance. Candidates can go through this page for the JEE Mains 2026 January 21 shift 1 question paper.
JEE Main 2026 January 21 Question Paper with Solutions
Some memory-based questions are be added below from the JEE Main 2026 21 Jan shift 1 Question Paper. Some questions will be given from every subject - Physics, Chemistry, and Maths.
Chemistry
Question 1:
Question 2: In Sulphur estimation, 0.7 g of an organic compound gives 1 g of BaSO4 by Carius method. What is the % of ‘S’ in compound?
(1) 19.61
(2) 23.85
(3) 27.93
(4) 14.57
Question 3: Which of the following is the correct order with respect to the property indicated?
(1) $\mathrm{CI}>\mathrm{F}$ (Ionisation energy)
(2) $\mathrm{K}_2 \mathrm{O}>\mathrm{Na}_2 \mathrm{O}>\mathrm{Al}_2 \mathrm{O}_3$ (Basic nature)
(3) $\mathrm{K}>\mathrm{Na}>\mathrm{Al}>\mathrm{Mg}$ (Metallic character)
(4) None of these
Question 4: Consider the following reaction
$\mathrm{Ca}+2 \mathrm{HCl} \rightarrow \mathrm{CaCl}_2+\mathrm{H}_2$
We have 14 g Ca reacts with excess of HCl . Choose the incorrect option.
(1) Mass of $\mathrm{CaCl}_2$ produced is 38.85 g
(2) Mole of $\mathrm{H}_2$ produced is 0.35 mol
(3) Volume of $\mathrm{H}_2$ produced at STP is 7.84 L
(4) Mass of $\mathrm{CaCl}_2$ produced is 3.885 g
Maths
Question 5: In binomial expansion of $\left(a x^2+b x+c\right)(1-2 x)^{26}$, the coefficients of $x, x^2$ and $x^3$ are $-56,0$ and 0 respectively, then $(a+b+c)$ is equal to
(1) 1500
(2) 1403
(3) 1300
(4) 1483
Question 6: The value of $\int_{-\frac{\pi}{6}}^{\frac{\pi}{6}} \frac{\pi+4 x^{11}}{1-\sin \left(|x|+\frac{\pi}{6}\right)} d x$
A. $3\pi$
B. $4 \pi$
C. $6 \pi$
D. $12 \pi$
Question 7: If the mean and variance of observations $x, y, 12,14,4$, 10,2 is 8 and 16, respectively, where $x>y$. Then, the value of $3 x-y$ is
1. 18
2. 20
3. 22
4. 24
Physics
Question 8: An $\alpha$-particle having kinetic energy 7.7 MeV is approaching fixed gold nucleus (atomic number is 79). Find distance of closest approach.
(1) 1.72 nm
(2) 6.2 nm
(3) 16.8 nm
(4) 0.2 nm
Question 9: An air-filled capacitor of capacitance $C$ is filled with a dielectric ( $k=3$ ) of width $d / 3$, where $d$ is the separation between plates. The new capacitance is
(1) $\frac{9}{5} \mathrm{C}$
(2) $\frac{5}{4} c$
(3) $\frac{4}{3} C$
(4) $\frac{9}{7} C$
Question 10: If the electric field of an EM wave is given by $60\left[\sin \left(3 \times 10^{14} t\right)+\right. \left.\left.\sin \left(12 \times 10^{14} t\right)\right)\right]$ at $x=0$ falls on a photo-sensitive material having work function 2.8 eV. Find the maximum kinetic energy (MeV) of ejected electrons.
(1) 2.52 eV
(2) 2.16 eV
(3) 2.00 eV
(4) 2.34 eV
JEE Main 2026 Question Papers and Answer Keys – Shift Wise
Similar to JEE Main 2026 answer key Jan 21 shift 1 download pdf, you can also download the JEE Mains 2026 question paper with solution for the other shifts. These JEE Mains Jan session paper with solutions can help you practice and get ready for your shift of exam (or April session exam).
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JEE Main 2026 January 21 Shift 1 Exam Analysis
An overall analysis of the JEE Main 2026 January 21 question paper shift 1 is now provided below. This will help you understand the overall difficulty, along with subject wise difficulty level. The data has been provided to you in the table below:
|
Subject
|
Difficulty
|
Key Observations / Topics
|
|
Physics
|
Moderate
|
Ray Optics (2Q), Microscope, Semiconductor, Electrostatics, Rotation (string), Fluids (Bernoulli), Tensile Stress
|
|
Chemistry
|
Tough
|
More from Organic, Inorganic & Physical had equal weightage
|
|
Mathematics
|
Moderate
|
Heavy from Vectors & 3D, Less Calculus, AP-GP, Conics, Binomial, Trigo, Matrices
|
This shift was slightly tougher in terms of difficulty than last year.
