JEE MAINS QFT1 2025 - Physics

JEE MAINS QFT1 2025 - Physics

• Question 1: The electric field in a region is given by E = Fox i. The charge contained within a cube defined by x = 0, x = l, y = 0, y = l, z = 0 and z = l is zero.
• Question 2: The molar specific heat of a gas, given from kinetic theory as R, implies the molecules can be monoatomic or rigid diatomic.
• Question 3: A particle of mass M moving in a horizontal circle of radius R with uniform speed V experiences no change in momentum when moving from one point to its diametrically opposite point. However, the kinetic energy changes by MV².
• Question 4: The mean corrected diameter of a steel ball measured using a Vernier caliper with zero error -0.03 cm is given by the measured values using the Vernier caliper and zero error

JEE MAINS QFT1 2025 - Physics

• Question 5: An iron ball and an aluminum ball of same diameter, when released together in a lake, will reach the bottom at the same time (neglecting viscosity and assuming density of iron is greater than aluminum).
• Question 6: A combination of NAND gates in a specific configuration behaves as an AND gate followed by a NOT gate.
• Question 7: In a double star system, if TA > TB, then RA > RB and MA > MB.
• Question 8: The de Broglie wavelength of an electron is equal to that of a photon, and the ratio of the electron's kinetic energy to the photon's energy is 0.5.
• Question 9: A student has to run towards a bus with a constant acceleration of 9 m/s² to catch it, with a minimum velocity of a√2 m/s¯¹, where a equals 12.
• Question 10: A gas in a P-V diagram is carried from point A to point C through two processes (AOC and ABC). Process AOC is isothermal. More heat is required for process ABC than AOC.
• Question 11: A variable resistor's power consumption first increases then decreases when connected to a battery, with the resistance increasing
• Question 12: To estimate g (gravitational acceleration) from g = 4π²L/T², an error in measurement of L is ±2% and error in measuring T is ±3%. The total error in g is ±5%.
• Question 13: A machine, 70% efficient, raises 10 kg through a distance, using 100 J. The kinetic energy when it reaches the ground is 35 J.
• Question 14: The minimum refractive index of a glass slab for total internal reflection to occur at a point is given as
• Question 15: A solid iron ball and aluminum ball of same diameter will reach the bottom at the same time.
• Question 16: The combination of NAND gates given behaves equally to an OR gate followed by an AND gate
• Question 17: Time period and radius relation in a double star system has to be found
• Question 18: In a series LR circuit connected to an alternating voltage, when voltage across the source is maximum, the reactance of the inductor is √2 times the resistance.
• Question 19: A wheel of moment of inertia 2.5 kg⋅m² with initial angular velocity of 40 rad/s experiences a constant torque of 10 Nm until accelerating to 60 rad/s. The time taken is 5 seconds.
• Question 20: Nuclear force is short-ranged, doesn't depend on charge and is repulsive at distances less than 0.8 fm

JEE MAINS QFT1 2025 - Chemistry

• Question 1: Out of two disaccharides (P and Q), only Q will not reduce Tollen's reagent.
• Question 2: Statements I and II are both true, and II explains I.
• Question 3: The volume of 0.1 M AgNO3 solution to precipitate chloride ions in 200 mL of 0.01 M complex solution is 40 mL.
• Question 4: For the cell Zn(s)|ZnSO₄(aq)||CuSO₄(aq)|Cu(s), if [Zn²⁺] is 10 times [Cu²⁺], the change in Gibbs free energy (ΔG) is calculated.
• Question 5: Each question has multiple options, one correct

JEE MAINS QFT1 2025 - Additional Information

• Includes questions on physics, chemistry, and math concepts tested in JEE MAINS.
• Multiple choice questions
• Numerical answer type
• Various levels of difficulty
• Presents multiple topics from the JEE MAINS curriculum.

Test your knowledge with this quiz covering key concepts in physics for the JEE Mains 2025 examination. Questions include topics on electric fields, kinetic theory, and specific heats. Perfect for students preparing for competitive physics assessments.