JEE Mains 2026 2 April Morning Shift physics questions with solutions

Showing 1–10 of 25 questions

• IntegermediumThermodynamicsthermodynmic process and work done

  A vessel contains 0.15 m³ of an ideal gas at pressure 8 bar. The gas has Cₚ = 3R and Cᵥ = 2R. It expands adiabatically until the pressure becomes 1 bar. Find the work done by the gas in kJ.

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• MCQmediumPhotoelectric effect and dual nature of matterquestion based on photoelectric effect

  For a certain metal, monochromatic light of wavelength λ produces a stopping potential 3V₀. When the same metal is illuminated by light of wavelength 2λ, the stopping potential is V₀. If the threshold wavelength is αλ, what is α?

  Options

  • Option A

    1

  • Option B

    4

  • Option C

    2

  • Option D

    3

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• MCQmediumProperties of solid and fluidpropertes of solid stress ,strain and modulus of elasticity

  The diameter of a wire is measured with a screw gauge of least count 0.001 cm and is found to be 0.08 cm. Its length, measured with a scale of least count 0.1 cm, is 150 cm. When a load of 100 N is applied, the extension is 0.5 cm, measured with an instrument of least count 0.001 cm. Ignoring any uncertainty in the applied load, the absolute error in the calculated Young's modulus is α×10⁹ N·m⁻². What is α?

  Options

  • Option A

    1.3

  • Option B

    1.65

  • Option C

    0.13

  • Option D

    0.25

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• MCQeasyAtomic Structure and X-raysatomic structre and bohr atomic model

  The angular momentum of an electron in a hydrogen atom is 3h / π. According to the Bohr model, what is the energy of the electron?

  Options

  • Option A

    -1.51 eV

  • Option B

    -0.85 eV

  • Option C

    -0.38 eV

  • Option D

    -0.28 eV

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• MCQmediumProperties of solid and fluidproperties of fluid and surface tension

  A liquid drop of diameter 2 mm breaks into 512 identical smaller droplets. The surface tension of the liquid is 0.08 N·m⁻¹. If the increase in surface energy is α×10⁻⁶ J, what is α to the nearest integer?

  Options

  • Option A

    10

  • Option B

    7

  • Option C

    8

  • Option D

    11

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• MCQeasyUnit dimension and errorDimension and its application

  The quantity (1 / 2)ε₀E² represents the energy density of an electric field, where ε₀ is the permittivity of free space and E is the electric-field magnitude. If its dimensional formula is written as MᵃLᵇTᶜ, what is the value of 2a-b+c?

  Options

  • Option A

    0

  • Option B

    1

  • Option C

    -1

  • Option D

    2

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• MCQeasyCircular Motionkinematics of circular motion

  The angular position of a particle moving in a circular path is θ = (5t⁴ /40)-(t³ /3), where θ is in radians and t is in seconds. What is its angular acceleration at t = 10 s?

  Options

  • Option A

    150 rad·s⁻²

  • Option B

    120 rad·s⁻²

  • Option C

    130 rad·s⁻²

  • Option D

    170 rad·s⁻²

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• MCQmediumElectrostaticelectric dipole and dipole moment

  Two short electric dipoles A and B are centred at the same point O with mutually perpendicular axes. Dipole A has moment p₁ along the horizontal axis, while dipole B has moment p₂ along the vertical axis. A point x lies on the axial line of dipole A and on the equatorial line of dipole B. The resultant electric field at x makes an angle of 60° with the horizontal line Ox. What is p₂ /p₁?

  

  Options

  • Option A

    √3 ÷ 2

  • Option B

    2√3

  • Option C

    1 ÷ √3

  • Option D

    √3

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• MCQeasyThermodynamicsfirst law of thermodynamics

  Heat is supplied to a diatomic ideal gas at constant pressure. Assuming the usual active translational and rotational degrees of freedom, what is the ratio ΔQ:ΔU:W for the process?

  Options

  • Option A

    2:3:5

  • Option B

    5:3:2

  • Option C

    2:5:7

  • Option D

    7:5:2

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• IntegereasyFluid Mechanicspascal law and buoyant force

  A wooden cube of side 10 cm floats in water. When a metal coin is placed on top of the cube, the submerged depth of the cube increases by 3.87 cm. Taking the density of water as 1 g·cm⁻³, find the mass of the coin in grams.

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