JEE Main Day 3 Question Paper 2025 Session 2 Shift 1: Today, April 4, 2025, the National Testing Agency (NTA) is conducted the Day 3 Shift 1 JEE Main 2025 Paper 1 (B.Tech) exam from 9 AM till 12 AM. The expert-prepared memory-based JEE Main Day 3 Question Paper 2025 Session 2 Shift 1 PDF which covers all three subjects—Mathematics, Chemistry, and Physics is available here. Further, students's first hand question paper reviews will also be updated here. 

Students can review the questions asked, which can help those who will be working future shifts comprehend the main topic and degree of difficulty level. The JEE Main April 2025 exam may repeat some topics throughout many shifts, which could aid candidates in improving their preparation. Additionally, candidates will be able to estimate their Session 2 exam scores using unofficial answer keys. This will assist them in planning for future research and assessing their performance.

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JEE Main Day 3 Question Paper 2025 Session 2 Shift 1 with Answer Key

Access the subject-wise JEE Main 2025 question paper for 4th April morning shift here for all the subjects below.

JEE Main Day 3 Shift 1 Physics Question Paper 4 April 2025

Students can check the JEE Main April 4 Shift 1 Physics Questions asked here:

1. The figure shows two boxes with identical square cross-sections and heights h₁ and h₂ (h₁ = 2h₂ ) are made of different materials. An equal force is applied on the square cross- sections such that the deformations θ₁ and θ are realized (θ₁ = 2θ₂ ). If shear modulus of box-1 is 4 x 10⁹ N/m² and that of box-2 is xx 10⁹ N/m², then x is?
2. Consider the reaction A + B → Product R = k[A]^m [B]n When conc. of A & B taken are A, & B, respectively, then rate of reaction is Ry. When conc. of A & B taken are 2A, & B₁/2 then rate of reaction is R₂ Find R₂/R₁
3. In YDSE setup, distance between slits d = 0.2 mm. If d is changed to 0.4 mm, then % change in fringe width
4. Two simple pendulums with amplitudes θ₁ and θ₂ , have length of strings as l₁ and l₂ respectively. Choose the correct options if the maximum angular accelerations are same.
5. A closed organ pipe having fundamental frequency f₀ . Now 1/5 of volume its filled with water then% change in the fundamental frequency.
6. A block of mass m kg is connected to two strings as shown. If T₁ =√3T₂ then choose correct option.
7. Assertion: In photoelectric effect, if intensity of monochromatic light is increased then stopping potential increases. Reason: Increased intensity results in increment of photocurrent.
8. Assertion (A): The minimum kinetic energy required to take a body of mass m from surface of earth to infinity is mgR. Reason (R): Potential energy at surface of earth is zero.
9. An electric dipole with charges 2 μC and a separation 20 cm is placed close to an infinitely charge non-conducting sheet with surface charge density 100 C/m² . Find the torque acting on the dipole if the dipole makes an angle 30" with the normal to the sheet.
10. The current in a AC circuit is given as i = 100√2 sin (100π/t)A. Find rms current and frequency is Hertz.
11. A real object placed in front of a spherical mirror forms an image whose magnification is -  1/3 . lf the distance between the image and object is 30 cm. The focal length of the mirror is----- cm.
12. 4 rods of equal length are joined as shown in the figure. Combined system is moving with speed 10 m/s in a perpendicular magnetic field of 1/√2 tesla. Find emf induced between point P and Q (/ = 10 cm).
13. Find the equivalent capacitance between A and B, where C = 16 μF
14. Mean free path for an ideal gas is to be observed 20 μm while average speed of molecules of gas is observed to be 600 m/s, then frequency of collision is near by?
15. A ring and a solid sphere released from rest from same height on enough rough inclined surface. Ratio of their speed when they reach at bottom is √7/x m/s, then x is?
16. Find the dimension of E/B where E represents electric field and B represents magnetic field.
17. 2 questions from fluid mechanics and Ray Optics were also there.
18. More direct questions were asked.
19. 2-3 questions were asked from modern physics.
20. Physics was on moderate level.

JEE Main Day 3 Shift 1 Chemistry Question Paper 4 April 2025

Students can check the JEE Main April 4 Shift 1 Chemistry Questions asked here:

1. A sample of 150 kg wheat contains Fe-metal. Find mass of FeSO₄ . 7H₂ 0 in g. so that sample contains 12 ppm Fe-metal. (Atomic mass of Fe = 55.85 g/mol)
2. In Duma's method for estimation of N, 0.5 g of an organic compound gave 150 mL of N, collected at 300 K and 900 mmHg pressure (Aq tension is 15 mm Hg). Find % of N
3. KMnO₄ oxidises others in acidic medium, Difference between two oxidation states of Mn is x. Neutral FeCl₃ reacts with oxalate to form a complex compound having y-d-electrons. Find x + y.
4. The activation energy of forward reaction and backward reaction is 100 kJ/mole and 180 kJ/mole respectively. Find the . correct statement if catalyst is added under same condition of temperature.
5. A small mirror of mass m is suspended to a fix point with an ideal string of length I. A photon of energy E incident normally on the mirror. Find maximum angular deviation (θ) of the mirror.
6. The complex ion having crystal field stabilization energy is zero and value of spin only magnetic moment is 5.92 BM.
7. 0.01 M HX (Ka = 4 × 10^-10 ) is diluted till the solution has pH = 6. If the new concentration is x × 10^-4 M then find x.
8. Which of the following is not a product of intramolecular aldol condensation reaction?  
9. In lead storage battery during charging oxidation state of lead show changes at anode from x₁ to y₁ at cathode from x₂ to Y₂ Find value of X, Y₁, x₂ , Y₂
10. Total number of stereoisomers possible for complexes [Cr(Cl₃ )(Py)₃ ] and [CrCl₂ (C₂O₄)₂ ] respectively are?
11. Longitudinal sound waves travel in three different gases namely helium, methane and carbon dioxide. Mean temperature of three gases are equal then ratio of speeds of wave in 3 gases respectively is
12. Which of the following is correct option regarding 1s orbital : (A) It is symmetrical (B) It is non-symmetrical (C) It is directional (D)It has two radial nodes
13. One mole of an ideal gas expands from 10dm³ to 20dm³ through isothermal reversible process. Find ΔU, q & w?
14. Incorrect order of atomic radius is: 

    1	B < Al
    2	In < TI
    3	Al < Ga
    4	Ga < In

15. Which of the following pair of ions have equal number of unpaired electrons?
16. Which of the following is the ratio of 5th Bohr orbit (r₅ ) of He⁺ & Li²⁺ ?
17. In the following, the number of paramagnetic molecules are : O₂, N₂, F₂, B₂, Cl₂
18. 1 question from GOC and Biochemicals were asked.
19. More questions were asked from Physical chemistry.

JEE Main Day 3 Shift 1 Maths Question Paper 4 April 2025

Students can check the JEE Main April 4 Shift 1 Maths Questions asked here:

1. Given two lines L₁: x-3 / 3 = y-a / 1 , and L₂ = x+1 / 2 = y+2 / 1 = z-β / -1 .  If shortest distance between L₁ and L2 is 30√3. Then the value of lα + β| is?
2. There are 10 pens such that 3 pens are defective. Let X represent the number of dafective pen selected. If two pens are selected at random then variance of x is?
3. The value of sin^-1 = 5x (√3x/2+ 1/2√1-x² ), - 1/2
4. Let α and ß be the number of points where the function, f(x) = max(x, x³, x⁵ , .., x²¹ } is not continuous and not differentiable respectively, then find α + ß 
5. Find the length of latus rectum of an ellipse if foci are (2, 5) and (2, -3) and the eccentricity of the ellipse is 4/5.
6. If 10sin⁴θ + 15cos⁴θ = 6, then find the value of 27 cosec6θ +8 sec⁶θ / 8sec⁸θ.
7. Let |x - 5| ≤ y ≤ 4/x. If the Area enclosed is A, then 3A equals to
8. The number of integral values of n ∈ N for which the equation x² + 4x - n = 0, n ∈ [20,100] have integral roots, is?
9. Consider a committee of 12 members is formed randomly out of 4 Engineers, 2 Doctors and 10 Profeccors. Find the probability that the committee has exactly 3 Engineers and 1 Doctor.
10. Foci of ellipse are (2, 5) and (2, -3), eccentricity is 4/5. Find the length of latus rectum.
11. Let there be two A.P's with each having 2025 terms. Find the number of distinct terms in union of these two A.P.'s, i.e., AUB if first A.P. is 1, 6, 11, ... and second A.P. is 9, 16, 23, ...
12. The sum of the series 1 + 3 + 5² + 7 + 9² + ... upto 80 terms is?
13. If the equation of an ellipse E is x²/ 9  + y²/16 = 1, then the length of latus rectum of E is?
14. Solve J.10-14ex - dx.
15. Maths was lengthy and on the difficult side.

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