JEE Mains 2026 2 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• MCQmediumProperties of solid and fluidproperties of fluid and surface tension

  The surface tension of a soap solution is 0.03 N·m⁻¹. A soap bubble is expanded so that its diameter increases from 2 cm to 6 cm. If the work required is απ×10⁻⁴ J, what is α?

  Options

  • Option A

    0.86

  • Option B

    0.64

  • Option C

    1.92

  • Option D

    7.68

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• IntegermediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  A uniform rod of mass 40 kg and length 3 m has moment of inertia about an axis AB passing through one end and perpendicular to the rod. A solid sphere of mass 10 kg and radius R has the same moment of inertia about an axis parallel to AB and located 3 m from the sphere's centre, as shown in the source figure. If R = √(α ÷ 2) m, find α.

  

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• MCQmediumAC CircuitsSeries RC, RL, LC, LCR, Resonance, Quality Factor and Bandwidth

  The figure shows a series LCR circuit with a 100 μF capacitor, a resistor R, two selectable inductors L₁ and L₂, and an AC source v = V₀ sin(300t). When switch $S_1$ is closed keeping $S_2$ open, the phase difference ($\phi$)

  between the current and source voltage is 30° and phase difference is 60° when $S_2$

  is closed keeping $S_1$ open. The value of ($3L_1-L_2$) is___ H

  

  Options

  • Option A

    9 /2 H

  • Option B

    2 /9 H

  • Option C

    1 / 3 H

  • Option D

    3 H

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• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  A body of mass 1 kg starts from rest at infinity and falls freely toward the Earth. Neglect air resistance and Earth's rotation. Taking the Earth's radius as 6400 km and g = 9.8 m·s⁻² at the surface, what are the speed and kinetic energy of the body just before it reaches the Earth's surface?

  Options

  • Option A

    11.2 km·s⁻¹ and 6.27×10⁷ J

  • Option B

    11.2 km·s⁻¹ and 12.54×10⁷ J

  • Option C

    8.8 km·s⁻¹ and 6.27×10⁷ J

  • Option D

    8.8 km·s⁻¹ and 12.54×10⁷ J

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• MCQmediumsemiconductorlogic gate

  For the logic circuit shown in the figure, X and Y are the two inputs and the final terminal is the output. Which basic logic operation does the complete circuit perform?

  

  Options

  • Option A

    OR gate

  • Option B

    AND gate

  • Option C

    NAND gate

  • Option D

    NOR gate

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• MCQeasyUnit dimension and errorDimension and its application

  The universal gravitational constant G is to be expressed dimensionally in terms of Planck's constant h, length L, mass M and time T. Which of the following expressions has the correct dimensions of G?

  Options

  • Option A

    [h T L M⁻²]

  • Option B

    [h T⁻¹ L M⁻²]

  • Option C

    [h T L² M⁻²]

  • Option D

    [h⁻¹ T⁻¹ L M⁻²]

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• MCQmediumNewtons law of motion and Frictionsimple pulley problem

  Two blocks of masses 2 kg and 1 kg are connected by a light inextensible string passing over a light frictionless pulley. Initially, both blocks are held at the same horizontal level and then released from rest. Taking g = 10 m·s⁻², what distance does the centre of mass of the two-block system move during the first 2 s?

  

  Options

  • Option A

    3.33 m

  • Option B

    3.12 m

  • Option C

    2.22 m

  • Option D

    1.42 m

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• MCQmediumProperties of solid and fluidviscousity and terminal velocity

  An air bubble of diameter 2 mm rises through a liquid of density 2000 kg·m⁻³ with a constant terminal speed of 0.5 cm·s⁻¹. Neglect the density of air and take g = 10 m·s⁻². What is the coefficient of viscosity of the liquid in poise?

  Options

  • Option A

    0.88 P

  • Option B

    8.8 P

  • Option C

    88.8 P

  • Option D

    0.088 P

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• MCQeasyElectrostaticelectric flux and gauss law

  Two point charges +8 μC and -2 μC are located on the x-axis at x = 2 cm and x = 4 cm, respectively. Two Gaussian spheres are centred at the origin and have radii 3 cm and 5 cm. What is the ratio of the electric flux through the 3 cm sphere to that through the 5 cm sphere?

  Options

  • Option A

    4:1

  • Option B

    3:4

  • Option C

    4:3

  • Option D

    4:5

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• IntegermediumGeometrical opticslens and combination lens,silvered lens

  Sunlight is focused on a sheet of paper using a symmetric biconvex lens. The paper burns in the shortest time when the lens is held 30 cm above it, so the focal length is 30 cm. The magnitude of the radius of curvature of each lens surface is 60 cm. If the refractive index of the lens material is α ÷ 10, find α.

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