JEE Mains 2025 8 April Evening Shift (Shift 2) physics questions with solutions

Showing 1–10 of 25 questions

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

  A 2 kg body initially has velocity v = (3, 4, 0) m/s. It enters a region with a constant force of 6 N along +z and remains there for 5/3 s. Its velocity on leaving the region is:

  Options

  • Option A

    (4, 3, 5) m/s

  • Option B

    (3, 4, 5) m/s

  • Option C

    (3, 4, -5) m/s

  • Option D

    (3, 4, √5) m/s

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• MCQmediumWave Opticsyoung's dubble slit experiments

  In Young's double-slit experiment, white light is used. One slit is covered with a red filter and the other with a green filter. What is observed?

  Options

  • Option A

    Separate red and green interference patterns are formed

  • Option B

    No stable interference fringes are formed

  • Option C

    Alternate red and green interference fringes are formed

  • Option D

    Each fringe has a green centre and red outer edges

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• MCQmediumGeometrical opticslens and combination lens,silvered lens

  A concave-convex glass lens has refractive index 1.5 and surface radii 30 cm and 20 cm as shown in the original figure. Its concave surface is filled with a liquid of refractive index 1.3. the focal length of the liquid-glass combination is:

  Options

  • Option A

    500/11 cm

  • Option B

    800/11 cm

  • Option C

    700/11 cm

  • Option D

    600/11 cm

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• MCQeasyNuclear physicsNucles and its density radius and mass defect ,binding energy and its curve

  For a nucleus of mass number A and radius R = R₀$A^{\frac13}$, the nuclear mass density is proportional to:

  Options

  • Option A

    A³

  • Option B

    A¹⁄³

  • Option C

    A²⁄³

  • Option D

    Independent of A

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• MCQmediumGeometrical opticslens and combination lens,silvered lens

  A convex lens of focal length +30 cm is in contact with a concave lens of focal length -20 cm. An object is placed 20 cm to the left of the combination. The magnitude of the image distance is:

  Options

  • Option A

    30 cm

  • Option B

    45 cm

  • Option C

    60/7 cm

  • Option D

    15 cm

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• MCQmediumWave Motionreflaction ,refraction of string wave and superposition of wave

  Two waves are y₁ = 4 sin(kx-ωt) and y₂ = 2 sin(kx-ωt + 2π/3). The amplitude and phase of the resultant wave, relative to y₁, are:

  Options

  • Option A

    6, 2π/3

  • Option B

    6, π/3

  • Option C

    √3, π/6

  • Option D

    2√3, π/6

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• MCQmediumElectrostaticconductor and its properties

  Charge is transferred to an irregular metallic disc as shown in the original figure. If σ₁, σ₂, σ₃ and σ₄ are the surface charge densities at the marked points, choose the correct set of statements: (A) σ₁ > σ₃ and σ₂ = σ₄; (B) σ₁ > σ₂ and σ₃ > σ₄; (C) σ₁ > σ₃ > σ₂ = σ₄; (D) σ₁ < σ₃ < σ₂ = σ₄; (E) σ₁ = σ₂ = σ₃ = σ₄.

  

  Options

  • Option A

    A, B and C only

  • Option B

    A and C only

  • Option C

    D and E only

  • Option D

    B and C only

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• IntegermediumFluid Mechanicspascal law and buoyant force

  A cube of side 10 cm and unknown mass is suspended from one end of a uniform rigid rod. A 200 g mass is suspended from the other end. The support point is 2 cm from the cube end and 25 cm from the 200 g mass, as shown in the original figure. Water is added until half the cube volume is submerged and the system balances. Take water density = 1 g/cm³ and g = 10 m/s². Find the cube mass in kg.

  

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• IntegermediumRotational Motiontorque and rotational equilibrium

  A thin solid disc of mass 1 kg rotates about a diameter at 1800 rpm. A constant external torque 25π N·m acts for 40 s, increasing its speed to 2100 rpm. Find the diameter of the disc in metres.

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• MCQeasysemiconductorP-N jucntion and diode in reverse and forward bias

  For the ideal-diode circuit shown in the original figure, the output voltage Vout is:

  

  Options

  • Option A

    10 V

  • Option B

    0 V

  • Option C

    +5 V

  • Option D

    -5 V

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