JEE Mains 2026 2 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• MCQmediumCurrent electricitycombination of cells and maximum power theorem

  Two resistors of 200 Ω and 400 Ω are connected in series across a 100 V battery. A bulb rated 200 V, 100 W is connected in parallel with the 400 Ω resistor. Assuming the bulb resistance remains equal to its rated resistance, what is the potential difference across the bulb?

  Options

  • Option A

    25 V

  • Option B

    50 V

  • Option C

    66.6 V

  • Option D

    100 V

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• 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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• MCQmediumElectrostaticselectric charge and coulamb's law

  Two horizontal metal plates A and B are separated by (12 ÷ π) cm, with plate A above plate B. An atomizer sprays positively charged oil droplets horizontally between the plates. Each droplet has radius 1 mm, density 1.5 g·cm⁻³ and charge 5 nC. Neglect air resistance and take g = 10 m·s⁻². Which pair of plate potentials keeps the droplets from descending?

  Options

  • Option A

    V(A) = 100 V and V(B) = 580 V

  • Option B

    V(A) = 580 V and V(B) = 100 V

  • Option C

    V(A) = 60 V and V(B) = 400 V

  • Option D

    V(A) = 0 V and V(B) = -200 V

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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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• 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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• 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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• IntegereasyThermodyanmicsthermodynmic process and work done

  Five moles of an ideal gas are heated at constant volume from 10°C to 20°C. The molar heat capacity at constant pressure is Cₚ = 8 cal·mol⁻¹·°C⁻¹ and the gas constant is R = 8.36 J·mol⁻¹·°C⁻¹. Taking 1 cal = 4.18 J, find the change in internal energy in calories.

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

  A spherical ball of mass 2 kg is released from rest from a height of 10 m above a sand surface. It penetrates 10 cm into the sand and then comes to rest. Taking g = 10 m·s⁻², what is the average resistive force exerted by the sand on the ball during penetration?

  Options

  • Option A

    1980 N

  • Option B

    2020 N

  • Option C

    2000 N

  • Option D

    1000 N

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• MCQmediumThermodyanmicskinetic therory of gaseous

  A mixture of carbon dioxide and oxygen occupies 8310 cm³ at 300 K and 100 kPa. The total mass of the mixture is 13.2 g. Assuming ideal-gas behaviour and taking R = 8.31 J·mol⁻¹·K⁻¹, what are the numbers of moles of CO₂ and O₂, respectively?

  Options

  • Option A

    0.15 mol and 0.18 mol

  • Option B

    0.25 mol and 0.08 mol

  • Option C

    0.21 mol and 0.12 mol

  • Option D

    0.13 mol and 0.20 mol

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