JEE Mains 2026 8 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• MCQmediumMagnetic effect of currentmagnetic moment and torque on current carring loop in magnetic field

  A circular current loop of radius 2 cm carries current 100√2 A. Its unit normal is n̂ = (î+k̂) ÷ √2. The loop is placed in the magnetic field B = B₀(3î+2k̂), where B₀ = 4×10⁻³ T. Taking π = 3.14, what torque vector acts on the loop?

  Options

  • Option A

    16×10⁻⁵ k̂ N·m

  • Option B

    5024×10⁻⁷ k̂ N·m

  • Option C

    5024×10⁻⁷ î N·m

  • Option D

    5024×10⁻⁷ ĵ N·m

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQmediumPhotoelectric effect and dual nature of matterquestion based on photoelectric effect

  For a given photosensitive material, K₁ and K₂ are the maximum kinetic energies of photoelectrons produced by light of wavelengths λ₁ and λ₂, respectively. If λ₁ = 2λ₂, which expression gives the work function φ of the material?

  Options

  • Option A

    K₂+2K₁

  • Option B

    2K₂-K₁

  • Option C

    K₁-2K₂

  • Option D

    K₂-2K₁

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQmediumRotational Motioncombined translatory and rotatory motion ,Pure rolling motion

  A solid cylinder of radius R slides on a rough horizontal surface. At t = 0, its has translational speed v₀ = 49 m·s⁻¹ perpendicular to its axis and its angular speed has magnitude v₀ ÷ (4R) about the centre. The coefficient of kinetic friction is μₖ = 0.25. Taking g = 9.8 m·s⁻², how long does it take for pure rolling to begin?

  Options

  • Option A

    15 s

  • Option B

    5 s

  • Option C

    10 s

  • Option D

    7.5 s

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQmediumCircular Motioncentripital force and centrifugal force

  A car travels at 54 km·h⁻¹ around a horizontal circular turn of radius 20 m. A simple pendulum is suspended from the ceiling of the car and reaches a steady inclination during the turn. Taking g = 10 m·s⁻², what angle θ does the string make with the vertical?

  Options

  • Option A

    tan⁻¹(0.5)

  • Option B

    tan⁻¹(0.75)

  • Option C

    tan⁻¹(1.125)

  • Option D

    tan⁻¹(0.25)

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQeasyProperties of solid and fluidviscousity and terminal velocity

  A spherical liquid drop of radius R falls through a gas of viscosity η with terminal speed v₁. The drop is then broken into 64 identical droplets, and each smaller droplet falls through the same gas with terminal speed v₂. Neglecting changes in density and using Stokes' law, what is v₁ ÷ v₂?

  Options

  • Option A

    4

  • Option B

    0.25

  • Option C

    32

  • Option D

    16

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQmediumThermodynamicsthermodynmic process and work done

  A monoatomic ideal gas initially has pressure P and volume V. It expands adiabatically until its volume becomes 27V. What is the change in internal energy of the gas?

  Options

  • Option A

    -2PV(3√3-1)

  • Option B

    4PV ÷ 3

  • Option C

    -4PV ÷ 3

  • Option D

    3PV ÷ 4

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• IntegermediumCapacitorRC circuit

  In the resistor-capacitor network shown in the source figure, the battery emf is 12 V and the capacitor is 100 μF. After steady state is reached, what charge is stored on the capacitor, in μC?

  

  Your answer

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQmediumGeometrical opticslaw of refraction and total internal reflection

  A light ray in medium 1 of refractive index 1 travels toward a horizontal interface along the vector AO = 2î-3ĵ. It refracts into medium 2 of refractive index 1.5 and emerges along OB = Cî-4ĵ, as shown in the figure. What is C?

  

  Options

  • Option A

    1.6

  • Option B

    0.16

  • Option C

    11.6

  • Option D

    16

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQeasySimple Harmonic Motiontime period of linear shm

  A mass m is suspended from a uniform spring and oscillates with frequency ν₁. The same spring is cut into two equal halves, and the same mass is suspended from one half. If the new frequency is ν₂, what is ν₂ /ν₁?

  Options

  • Option A

    1

  • Option B

    2

  • Option C

    √2

  • Option D

    √3

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →
• MCQeasyPhotoelectric effect and dual nature of matterquestion based on photoelectric effect

  A monochromatic source emits electromagnetic radiation with total power 15 kW at a rate of 2.5×10²² photons per second. Taking h = 6.6×10⁻³⁴ J·s and c = 3×10⁸ m·s⁻¹, in which region of the electromagnetic spectrum does the radiation lie?

  Options

  • Option A

    Microwave

  • Option B

    Infrared

  • Option C

    Visible

  • Option D

    Ultraviolet

  Check answerShow answer

  JEE Mains 2026 8 April Evening Shift

  Open question & full solution →