JEE Mains 2025 7 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• MCQmediumsemiconductorlogic gate

  For the logic circuit shown in the original figure, the output Y is zero for which input combination?

  

  Options

  • Option A

    A=1, B=1

  • Option B

    A=0, B=1

  • Option C

    A=1, B=0

  • Option D

    A=0, B=0

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• MCQeasyElectrostaticsconductor and its properties

  Assertion (A): The outer body of an aircraft is made of metal, which protects the persons sitting inside from lightning strikes. Reason (R): The electric field inside a cavity enclosed by a conductor is zero. Choose the correct answer.

  Options

  • Option A

    Both A and R are correct and R is the correct explanation of A

  • Option B

    A is correct but R is false

  • Option C

    Both A and R are correct but R is not the correct explanation of A

  • Option D

    A is false but R is correct

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• MCQeasyUnit dimension and errorDimension and its application

  The dimension of √(μ₀/ε₀), where μ₀ is vacuum permeability and ε₀ is vacuum permittivity, is the same as that of:

  Options

  • Option A

    Voltage

  • Option B

    Capacitance

  • Option C

    Inductance

  • Option D

    Resistance

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• IntegermediumAc Cirucuitsseries combination of ac circuit and L-C-R circuit

  An inductor of reactance 100 Ω, a capacitor of reactance 50 Ω and a resistor of resistance 50 Ω are connected in series to a 10 V rms AC source. Find the average power dissipated in watts.

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• IntegermediumCenter of maas , Momentum and Collisioncenter of mass and question based on it

  A uniform disc has mass M and radius R. A circular disc of radius R/3 is removed from it as shown in the original figure. The moment of inertia of the remaining part about the original central axis AB perpendicular to the plane is (4/x)MR². Find x.

  

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• NumericmediumThermodyanmicsheat transfer in solid and liquid

  Two cylindrical rods A and B are joined end-to-end. Their ratios are $L_A/L_B$ = 1/2, $r_A/r_B$ = 2 and $K_A/K_B$ = 1/2. The free ends are maintained at 400 K and 200 K respectively. Find the steady interface temperature in kelvin.

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• MCQmediumNewtons law of motion and Frictionnewton second law and problem based on it

  An object of mass 500 g moves along the x-axis with speed v = 4√x m/s. The magnitude of the force acting on it is:

  Options

  • Option A

    8 N

  • Option B

    5 N

  • Option C

    6 N

  • Option D

    4 N

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• MCQeasyCapacitorparallel plate capacitor ,cylindrical capacitor and spherical capacitor

  An electric dipole has charges ±2 μC separated by 0.5 μm. It is placed between capacitor plates separated by 0.5 mm with potential difference 5 V. If the dipole is rotated by 30° from the electric-field direction, the torque magnitude is:

  Options

  • Option A

    5×10⁻⁹ N·m

  • Option B

    5×10⁻³ N·m

  • Option C

    2.5×10⁻¹² N·m

  • Option D

    2.5×10⁻⁹ N·m

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• MCQeasyThermodyanmicsthermodynmic process and work done

  Match List-I with List-II. List-I: (A) Isothermal, (B) Adiabatic, (C) Isobaric, (D) Isochoric. List-II: (I) ΔW = 0, (II) ΔQ = 0, (III) ΔU ≠ 0, (IV) ΔU = 0. Choose the correct match.

  Options

  • Option A

    A–III, B–II, C–I, D–IV

  • Option B

    A–IV, B–I, C–III, D–II

  • Option C

    A–IV, B–II, C–III, D–I

  • Option D

    A–II, B–IV, C–I, D–III

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• MCQeasyThermodyanmicskinetic therory of gaseous

  Helium and argon gases are at the same temperature, 300 K. The ratio of their average kinetic energies per molecule is:

  Options

  • Option A

    1:10

  • Option B

    10:1

  • Option C

    1:√10

  • Option D

    1:1

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