JEE Main Shift 1 Question Paper 2026 January 24

Aindrila

Updated On: January 24, 2026 07:16 PM

JEE Main 2026 Jan 24 Question Paper Shift 1 is expected to follow the NTA pattern with a mix of easy, moderate, and challenging questions. Stay tuned for subject-wise questions list. JEE papers will help students gauge difficulty level, marks distribution, and question types.
JEE Main Shift 1 Question Paper 2026 January 24

The JEE Main 2026 Jan 24 Shift 1 exam is over. Initial student feedback indicates a Moderate overall difficulty. Notably, it is easier than the Jan 23 shift 2 exam. Physics and Chemistry were moderate and lengthy, while Maths was lengthy and the toughest of the three sections. The Paper 1 exam is being conducted on Day 4 for BE/B.Tech stream and feature 75 questions from Physics, Chemistry and Mathematics subjects. Shortly after shift 1 is concluded, our experts will analyse JEE Main Jan 24 question papers 2026 and share the topics list so you can identify what sort of questions were asked, which topics were repeated and also match your answers with the correct option. Students appearing for JEE Main in the upcoming shifts or sessions can use this paper to know the number of questions asked in the exam, the marks distribution for all subjects and the difficulty level.

Also Check - JEE Main 2026 January 24 Exam Analysis: Shift 1 and 2 Subject-Wise Difficulty Level, Good Attempts

JEE Main Physics Question Paper 2026 January 24 Shift 1

JEE Main 2026 January 24 Shift 1 Physics question paper was moderate, with a mix of numerical and conceptual questions. Most questions might be formula-based that need strong conceptual clarity and careful calculations. Topics like Mechanics, Current Electricity, and Modern Physics should have high weightage.

Subject

Memory-based Questions with Answers

Question Paper with Unofficial Answer Key Solutions PDF by Coaching Institutes

Physics

Q1. What is the relative decrease in focal length of a lens for an increase in optical power by 0.1 D from 2.5 D? ('D' stands for dioptre).


(1) 0.04
(2) 0.40
(3) 0.1
(4) 0.01
Answer: 0.04
JEE Mains Jan 24 Shift 1 2026 Physics Question Paper with Unofficial Answer Key Solutions PDF by Vedantu

Q2. An air bubble of radius 0.1 cm lies at a depth of 20 cm below the free surface of a liquid of density 1000 kg/m3. If the pressure inside the bubble is 2100 N/m2 greater than the atmospheric pressure, then the surface tension of the liquid in SI units is (use g=10m/s2).

(1) 0.02
(2) 0.1
(3) 0.25
(4) 0.05

Answer: 0.05

Q3. Consider the following statements:
A. The junction area of a solar cell is made very narrow compared to a photodiode.
B. Solar cells are not connected with any external bias.
C. LED is made of a lightly doped p-n junction.
D. Increase of forward current results in a continuous increase in LED light intensity.
E. LEDs have to be connected in forward bias for emission of light.

  • (1) B, D, E Only
  • (2) A, C Only
  • (3) A, C, E Only
  • (4) B, E Only
Answer: B, E Only

Q4. The amount of work done to break a big water drop of radius R into 27 small drops of equal radius is 10 J. The work done required to break the same big drop into 64 small drops of equal radius will be:

(1) 15 J
(2) 10 J
(3) 20 J
(4) 5 J
Answer: 15 J

Q5. The Young's double slit interference experiment is performed using light consisting of 480 nm and 600 nm wavelengths to form interference patterns. The least number of the bright fringes of 480 nm light that are required for the first coincidence with the bright fringes formed by 600 nm light is:

(1) 4
(2) 8
(3) 6
(4) 5

Answer: 5

*Credits - Vedantu

JEE Main 2026 Chemistry Question Paper January 24 Shift 1

JEE Main 2026 Chemistry Question Paper for January 24, Shift 1 was moderately easy, with questions evenly distributed across Physical, Organic, and Inorganic Chemistry. Most questions will be from NCERT, testing conceptual clarity along with basic numerical application. Students might find Organic Chemistry relatively easy, while a few Physical Chemistry numericals can be time-consuming.

Subject

Memory-based Questions with Answers

Question Paper with Unofficial Answer Key Solutions PDF by Coaching Institutes

Chemistry

Q1. During the transition of an electron from state A to state C of a Bohr atom, the wavelength of emitted radiation is 2000 Å, and it becomes 6000 Å when the electron jumps from state B to state C. Then the wavelength of the radiation emitted during the transition of electrons from state A to state B is:

(1) 3000 Å
(2) 6000 Å
(3) 4000 Å
(4) 2000 Å

Answer: 3000 Å

JEE Main 2026 Jan 24 Shift 1 Chemistry Question Paper with Unofficial Answer Key Solutions PDF by Vedantu

Q2. A particle is executing simple harmonic motion with a time period of 2 s and amplitude 1 cm. If D and d are the total distance and displacement covered by the particle in 12.5 s, then the ratio

D/d is:

(1) 15/ 4
(2) 25
(3) 10
(4) 16/ 5

Answer: 25

Q3. A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of radius 1.03 R. The time period of revolution of the second satellite is larger than the first one approximately by:

  • (1) 3 %
  • (2) 4.5 %
  • (3) 9 %
  • (4) 2.5 %

Answer: 4.5%

Q4. An ideal gas goes from an initial state to a final state. During the process, the pressure of the gas increases linearly with temperature.
A. The work done by gas during the process is zero.
B. The heat added to the gas is different from the change in its internal energy.
C. The volume of the gas has increased.
D. The internal energy of the gas is increased.
E. The process is isochoric (constant volume process).
Choose the correct answer from the options given below:
(1) A, B, C, D Only

(2) A, D, E Only
(3) E Only
(4) A, C Only

Answer: A, D, E Only

Q5. Statement I: Dumas method is used for estimation of "Nitrogen" in an organic compound.
Statement II: Dumas method involves the formation of ammonium sulfate by heating the organic compound with concentrated H2SO4.
In light of the above statements, choose the correct answer from the options given below:

(1) Both Statement I and Statement II are true
(2) Statement I is false but Statement II is true
(3) Both Statement I and Statement II are false
(4) Statement I is true but Statement II is false

Answer: Statement I is true but Statement II is false


*Credits - Vedantu

JEE Main Mathematics Question Paper January 24 2026 Shift 1

Students must know that the JEE Main Mathematics Question Paper was be moderate to difficult, with a strong focus on problem-solving and analytical thinking. Questions from Calculus, Algebra, and Coordinate Geometry can dominate the paper, with several lengthy and calculation-based problems. Time management will play a crucial role in attempting this section effectively.

Subject

Memory-based Questions with Answers

Question Paper with Unofficial Answer Key Solutions PDF by Coaching Institutes

Mathematics

Q1. Number of arrangements of letters of MISSISSIPPI is:

  1. 34, 650
  2. 34, 320
  3. 25, 200
  4. 27, 720

Answer: 34,650

JEE Main 2026 Jan 24 Shift 1 Maths Question Paper with Unofficial Answer Key Solutions PDF by Vedantu

Q2. If the equation 2x2- 4x+k= 0

  1. 1
  2. 2
  3. 4
  4. 8

Answer: 4

Q3. A card is drawn from a standard deck. Probability that it is a red card is:

  1. 1/13
  2. ¼
  3. ½
  4. 2/4

Answer: ½

Q4. Number of 4-digit numbers formed using 1-7 without repetition:

  1. 840
  2. 210
  3. 1680
  4. 504

Answer: 840

Q5. Sum of first 10 natural numbers:

  1. 45
  2. 50
  3. 55
  4. 60
Answer: 55
*Credits - Vedantu

Students who have conceptual clarity about NCERT topics and have practised previous year’s questions should at an advantage. This paper serves as a useful example for aspirants preparing for the remaining shifts and the April session.

NTA will release JEE Main 2026 answer key along with official question papers and JEE Main response sheet 2026 after the end of session 1 exams!

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JEE Main Shift 1 Question Paper 2026 January 22 JEE Mains Question Paper 22 January 2026 Shift 2
JEE Mains Question Paper 23 January 2026 Shift 1 JEE Main Shift 2 Question Paper 2026 January 23

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In case you have any other queries, write to us in the QnA zone . Stay tuned to CollegeDekho for more articles!

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Quick Icon Quick Facts

  • Quick Facts JEE Main 2026 Jan 24 Shift 1 is for BE/B.Tech.
  • Quick Facts Paper 1 features 75 questions from all three subjects.
  • Quick Facts Expert analysis will identify topics and provide answers.
  • Quick Facts Useful for students in upcoming shifts to understand pattern.
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