
JEE Main January 22 Shift 1 question paper 2026 is available here as the exam has been conducted. For all those who will appear in the upcoming shifts, these question papers can serve as a tool for self-assessment and quick revision. JEE Main question paper 2026 Jan 22 shift 1 featured a mix of numerical value and MCQ questions. Maria Ahmad, a student in the JEE Main January shift 1 2026 from a Guwahati centre stated - "2 questions were asked from Probability and Complex Numbers chapters The questions were a bit tricky and confusing, so I could only attempt 14-15 out of 25 total questions." Another test-taker, Gopalan who interviewed with CLD, stated - "Physics was the most scoring since all the questions were direct formula-based. 3-4 questions were asked from Thermodynamics, around 4-5 from Modern Physics, and others from Capacitors, Optics." The students who are appearing in the JEE Main 2026 other sessions can use the Jan 21 shift 1 memory-based question papers and unofficial answer key PDFs shared here to get a gist of the exam format.
Also Check - JEE Main Exam Analysis 22 January 2026: Shift 1, 2 Difficulty Level, Student Reviews, Good Attempts
JEE Main Physics Question Paper 2026 January 22 Shift 1
Check out JEE Main 2026 Jan 22 Shift 1 Physics Memory-based Questions added below:
Q1. Two discs having same moment of inertia about their axis. Thickness is t1, and t2, and they have same density. If R1/R2= 1/2, find t1/t2.
a. 8
b. 1/8
c. 16
d. 24
Answer: c. 16
Q2. In series R-L circuit, voltage of battery is 10 V. Resistance and inductance are 10 ohm and 10 mH respectively. Find energy stored in the inductor when current reaches 1/c times of maximum value.
a. 1.67 mJ
b. 0.33 mJ
c. 0.67 mJ
d. 1.8 mJ
Answer: c. 0.67 mJ
Q3. Find the energy to excite an electron from first Bohr orbit of hydrogen's atom to 2nd Bohr's orbit ( in eV).
a. 13.6 eV
a. 3.4 eV
c. 12.1 eV
d. 10.2 eV
Answer: d. 10.2 eV
Q4. A convex lens of focal length f1= +10 cm, f2= -20/3 cm. The magnification in this case is M2. Find the ratio M1/M2.
a. 3/4
b. 4/3
c. 2/3
d. 3/2
Answer: b. 4/3
Q5. In adiabetic compression temperature of gas becomes 4 times while volume decreased 1/2 times. Find y?
a. 1
b. 2
c. 3
d. 4
Answer: c. 3
Q6. Dectector D moves from A to B and observes the frequences are differing by 10 Hz. Source of emitong frequency f0. Speed of detector is 35 times less than speed of sound. Then f0 is:
a. 400 Hz
b. 250 Hz
c. 150 Hz
d. 350 Hz
Answer: b. 250 Hz
| Coaching Institute Name | JEE Main 2026 22 Jan Shift 1 Paper PDF Links |
|---|---|
Vedantu | JEE Main 2026 Jan 22 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Akash Institute | JEE Main 2026 Jan 22 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Resonance | JEE Main 2026 Jan 22 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Vedantu, Akash Institute, Resonance
JEE Main Physics Shift 1 Questions Asked on January 21 2026
JEE Main 2026 Jan 21 shift 1 Physics paper was easy to moderate, with formula-based questions from chapters, such as Modern Physics, Optics, Electrostatics, Current Electricity etc. Check out JEE Main 2026 Jan 21 Shift 1 Memory-based Questions added below:
Q1. A rod of mass m and length l is attached to two ideal strings. Find tension in the left string just after the right string is cut.
a. mg/2
b. mg/4
c. 2/3 mg
d. mg/5
Answer: b. mg/4
Q2. An alpha-particle having kinetic energy 7.7 MeV is approaching a fixed goal nucleus (atomic number is 79). Find the distance of closest approach.
a. 1.72 nm
b. 6.2 nm
c. 16.8 nm
d. 0.2 nm
Answer: a. 1.72 nm
Q3. An ideal selonoid is kept with its axis vertical. Current is flowing through selonoid. A charge Q is thrown downward inside the solenoid. The acceleration of the charge particle is then
a. a>g
b. a=g
c. a<g
d. a=0
Answer: b. a=g
Q. 4. Focal length of the objective lens and eyepiece lens are 1.25 cm and 5 cm, and the tube length is 26 cm. Find the magnification of the compound microscope in normal adjustment.
Answer: 104
Q5. Find the change in internal energy of a gas if its temperature changes by 10K. Number of moles of gas is 10, specific heat at constant pressure of gas is 7 and R (gas constant) = 2 cal/K.
a. 500 cal
b. 1000 cal
c. 250 cal
d. 100 cal
Answer: a. 500 cal
| Coaching Institute Name | JEE Main 2026 21 Jan Shift 1 Paper PDF Links |
|---|---|
Akash Institute | JEE Main 2026 Jan 21 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Vedantu | JEE Main 2026 Jan 21 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Resonance | JEE Main 2026 Jan 21 Physics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Akash Institute, Vedantu, Resonance
JEE Main 2026 Chemistry Question Paper January 22 Shift 1
Check out and download JEE Main 2026 Jan 22 shift 1 Chemistry memory-based questions with solutions PDF below:
Q1. For a first order reaction, the unit of rate constant is:
a. mol L-1 s-1
b. s-1
c. L mol-1 s-1
d. mol2 L-2 s-1
Answer: b. s-1
Q2. The pH of 0.0001 M HCI solution is:
a. 1
b. 2
c. 3
d. 4
Answer: c. 3
Q3. Which oxide shows amphoteric behaviour?
a. Na2O
b. MGO
c. Al2O3
d. SO2
Answer: c. Al2O3
Q4. Which of the following has maximum magnetic moment?
a. Fe2+
b. Fe3+
c. Mn2+
d. CO3+
Answer: c. Mn2+
Q5. Which intermediate is formed in the SN1 reaction?
a. Carbanion
b. Carbocation
c. Free radical
d. Carbine
Answer: b. Carbocation
| Coaching Institute Name | JEE Main 2026 22 Jan Shift 1 Paper PDF Links |
|---|---|
Vedantu | JEE Main 2026 Jan 22 Chemistry Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
Akash Institute | JEE Main 2026 Jan 22 Chemistry Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
Resonance | JEE Main 2026 Jan 22 Chemistry Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Vedantu, Akash Institute, Resonance
Also Check - JEE Mains Question Paper 22 January 2026 Shift 2
JEE Main Chemistry Shift 1 Questions Asked on January 21 2026
JEE Main 2026 Jan 21 shift 1 Chemistry paper was surprisingly moderate to tough, with the majority of the questions being asked from NCERT-based Inorganic concepts and some Assertion-Reasoning-based Organic concepts. Check out JEE Main 2026 Jan 21 Shift 1 Memory-based Questions shared below:
Q1. In Sulphur estimation, 0.7 g of an organic compound gives 1 g of BaSO4 by the Carius method. What is the % of 'S' in the compound?
a. 19.61
b. 23.85
c. 27.93
d. 14.57
Answer: a. 19.61
Q2. Which of the following is the correct order with respect to the property indicated?
a. Cl>F (Ionisation Energy)
b. K2O> Na20> Al2O3
c. K> Na> Al> Mg
d. None of these
Answer: b. K2O> Na20> Al2O3
Q3. 80 ml of an organic compound is mixed with 264 ml o2 and ignited. It gives 224 ml of gaseous mixture at NTP. After passing through KOH 64 ml of glass remains. The organic compound is
a. C2H4
b. C2H2
c. C4H10
d. C3H6
Answer: b. C2H2
Q4. The pH of a 0.01 M HCl solution is:
a. 1
b. 2
c. 3
d. 4
Answer: b. 2
Q5. Which of the following has the highest ionisation enthalpy?
a. Na
b. Mg
c. Al
d. Si
Answer: d. Si
| Coaching Institute Name | JEE Main 2026 21 Jan Shift 1 Paper PDF Links |
|---|---|
Akash Institute | JEE Main 2026 Jan 21 Chemistry Shift 1 Memory-based Questions with Unofficial Answer key PDF |
| Vedantu | JEE Main 2026 Jan 21 Chemistry Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Resonance | JEE Main 2026 Jan 21 Chemistry Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Akash Institute, Vedantu, Resonance
Also Check - JEE Main 2026 January 21 Exam Analysis: Shift 1 and 2 Subject-Wise Difficulty Level, Good Attempts
JEE Main Mathematics Question Paper January 22 2026 Shift 1
JEE Main 2026 Jan 22 shift 2 Mathematics memory-based questions and solutions PDF are added below for reference.
Q1. The number of real solution of equation x|x+4|+3|x+2|+10=0 is/are:
a. 1
b. 2
c. 3
d. 4
Answer: a. 1
Q2. If xdy - ydx = √x2 + y2 dx. If y = y(x) & y(1) = 0 then y(3) is:
a. 1
b. 2
c. 3
d. 4
Answer: d. 4
Q3. Let M = {1, 2, 3, ....., 16}, if a relation R is defined on set M such that R = {(x, y) : 4y = 5x – 3, x, y ∈ M}. How many elements should be added to R to make it symmetric?
a. 2
b. 3
c. 4
d. 5
Answer: a. 2
Q4. If a line ax + y = 1 does not intersect the hyperbola x2 − 9y2 = 9 then a possible value of α is:
a. 0.2
b. 0.3
c. 0.4
d. 0.5
Answer: d. 0.5
Q5. If the end points of chord of parabola y2 = 12x are (x1, y1) and (x2, y2) and it subtend 90◦ at the vertex of parabola then (x1x2 − y1y2) equals:
a. 288
b. 280
c. 290
d. not possible
Answer: a. 288
Q5. If the sum of first 4 terms of an AP is 6 and sum of first 6 terms is 4, then sum of first 12 terms of AP is:
a. -22
b. -20
c. 22
d. 20
Answer: a. -22
| Coaching Institute Name | JEE Main 2026 22 Jan Shift 1 Paper PDF Links |
|---|---|
CollegeDekho | JEE Main 2026 Jan 22 Maths Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
Akash Institute | JEE Main 2026 Jan 22 Maths Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Vedantu | JEE Main 2026 Jan 22 Maths Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Resonance | JEE Main 2026 Jan 22 Maths Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Akash Institute, Vedantu, Resonance
JEE Main Mathematics Shift 1 Questions Asked on January 21 2026
JEE Main 2026 shift 1 Math paper was the toughest, with very complex, lengthy calculations from Calculus and Coordinate Geometry. Check out JEE Main 2026 Jan 21 Shift 1 Memory-based Questions provided below.
Q1. If O is the vertex of the parabola x2 = 4y, Q is a point on the parabola. If C is the locus of the point that divides OQ in the ratio 2 : 3, then the equation of the chord of C, which is bisected at the point (1, 2) is:
(A) 5x + 4y + 3 = 0
(B) 5x − 4y − 3 = 0
(C) 5x − 4y + 3 = 0
(D) 5x + 4y − 3 = 0
Answer: (C) 5x − 4y + 3 = 0
Q2. Two rods of equal length 60 cm each are joined together end to end. The coefficients of linear expansion of the rods are 24 10−6 ◦C−1 and 1.2 10−5 ◦C−1. Their initial temperature is 30◦C, which is increased to 100◦C. Find the final length of the combination (in cm).
(A) 120.1321
(B) 120.1123
(C) 120.1512
(D) 120.1084
Answer: (C) 120.1512
Q3. The area x2 + 4y2 ≤ 4, y ≤ |x| − 1, y ≥ 1 − |x| enclosed by is equal to:
(A) 4 sin−1 3 + 6
(B) sin−1 3 − 6
(C) 4 sin−1 3 + 12
(D) 4 sin−1 3 − 6
Answer: (D) 4 sin−1 3 − 6
Q4. 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 3x-y is:
(A) 18
(B) 20
(C) 22
(D) 24
Answer: (A) 18
Q5. If 0 is the vertex of the parabola x2= 4 y, Q is the point on the parabola. If C is the locus of a point that divides OQ in ratio 2:3, then the equation of the chord of C that bisects at point (1,2).
(A) 5x+4y+3=0
(B) 5x-4y-3= 0
(C) 5x-4y+3= 0
(D) 5x+4y-3= 0
Answer: (D) 5x-4y+3= 0
| Coaching Institute Name | JEE Main 2026 21 Jan Shift 1 Paper PDF Links |
|---|---|
Akash Institute | JEE Main 2026 Jan 21 Mathematics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Vedantu | JEE Main 2026 Jan 21 Mathematics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
| Resonance | JEE Main 2026 Jan 21 Mathematics Shift 1 Memory-based Questions with Unofficial Answer Key PDF |
*Credit - Akash Institute, Vedantu, Resonance
Since NTA does not release physical question papers right after the exam, students can bank on the JEE Main shift 1 question paper 2026 January 22 provided by CollegeDekho . These are based on the papers and details shared by fellow examinees, and hence, are reliable. You can tally your marks and also calculate estimated scores based on the total number of correct and incorrect attempts using JEE Main 2026 answer key and question papers.
NTA will release the official keys along with master question papers and JEE Main response sheet 2026 after the end of session 1 exams!
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For any query, head to our QnA Zone or fill out our Common Application Form . Stay tuned for more such updates!
FAQs
NTA will release the official keys along with master question papers and JEE Main response sheet 2026 after the end of session 1 exams.
Maria Ahmad, a student, stated that 2 questions were asked from Probability and Complex Numbers chapters, which were a bit tricky and confusing.
JEE Main 2026 shift 1 Math paper was the toughest, with very complex, lengthy calculations from Calculus and Coordinate Geometry.
According to a test-taker, Physics was the most scoring since all the questions were direct formula-based.
The JEE Main January 22 Shift 1 2026 exam has been conducted.















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