JEE Mains 2026 5 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• MCQeasyCurrent electricityElectrical Instruments: Galvanometer, Ammeter, Voltmeter & Potentiometer

  In an experiment to determine the resistance of a wire using Ohm's law, the voltmeter reads 10 V and the ammeter reads 5 A. The least counts of the voltmeter and ammeter are 500 mV and 200 mA, respectively. Using the maximum-error method, what is the estimated absolute error in the calculated resistance?

  Options

  • Option A

    0.25 Ω

  • Option B

    2 Ω

  • Option C

    2.5 Ω

  • Option D

    0.18 Ω

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• MCQmediumGeometrical opticslens and combination lens,silvered lens

  A thin convex lens and a thin concave lens are kept in contact and are coaxial. Which statement about the combination is correct?

  Options

  • Option A

    The combination behaves as a concave lens if |f(convex)| > |f(concave)|

  • Option B

    The combination behaves as a concave lens if |f(convex)| < |f(concave)|

  • Option C

    The combination behaves as a convex lens if |f(convex)| > |f(concave)|

  • Option D

    The focal length of the combination changes if the order of the two lenses is interchanged

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• MCQeasyCircular Motionkinematics of circular motion

  A wheel starts from rest and rotates with uniform angular acceleration about its fixed axis. During the first 2 s it turns through an angle θ₁. During the next 2 s, from t = 2 s to t = 4 s, it turns through an angle θ₂. What is the ratio θ₂ / θ₁?

  Options

  • Option A

    6

  • Option B

    3

  • Option C

    4

  • Option D

    1 /3

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• MCQmediumCapacitorRC circuit

  In the circuit shown in the figure, a 2 μF capacitor is in a branch with a 4 Ω resistor, while the other branches contain a 2 Ω resistor and a 2 V source in series with a 6 Ω resistor. After steady state is reached, what is the potential difference across the capacitor?

  

  Options

  • Option A

    0.5 V

  • Option B

    1.5 V

  • Option C

    0 V

  • Option D

    2 V

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• MCQeasyGravitationAcceleration Due to Gravity & Escape Velocity

  A body of mass m is taken from the Earth's surface to a height equal to twice the Earth's radius Rₑ. If g is the acceleration due to gravity at the Earth's surface, what is the increase in the gravitational potential energy of the body?

  Options

  • Option A

    (1 / 2)mgRₑ

  • Option B

    (3 /4)mgRₑ

  • Option C

    (1 /4)mgRₑ

  • Option D

    (2 /3)mgRₑ

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• MCQmediumThermodynamicsthermodynmic process and work done

  An ideal gas at pressure P and temperature T expands in such a way that PT³ remains constant throughout the process. What is the coefficient of volume expansion, defined along this process as β = (1 /V)(dV /dT)?

  Options

  • Option A

    2 / T

  • Option B

    1 /T

  • Option C

    4 /T

  • Option D

    3 / T

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• MCQmediumWave Opticsyoung's dubble slit experiments

  In a Young double-slit experiment, the maximum fringe intensity is I₀. The slit separation is d = 5λ, where λ is the wavelength. The screen is at distance D = 10d from the slit plane. What is the intensity at the point on the screen lying exactly opposite one of the slits?

  Options

  • Option A

    I₀ / 4

  • Option B

    I₀ / 2

  • Option C

    I₀

  • Option D

    3I₀ / 4

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• MCQmediumRotational Motionrolling on inclined surface

  A rigid body of uniform density rolls without slipping up a curved track with initial centre-of-mass speed v₀. It rises until its speed becomes zero, and the maximum vertical height gained is 7v₀² /(10g). Which of the following bodies is consistent with this observation?

  

  Options

  • Option A

    Solid cylinder

  • Option B

    Ring

  • Option C

    Disc

  • Option D

    Solid sphere

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• IntegermediumThermodynamicsheat and principle of calorimeter

  The heat extracted from x grams of water initially at 50°C to cool it to 0°C is exactly sufficient to convert (1000-x) grams of water, also initially at 50°C, completely into steam at 100°C. Take the specific heat capacity of water as 4200 J·kg⁻¹·K⁻¹ and the latent heat of vaporisation as 2256 kJ·kg⁻¹. Find x to the nearest integer in grams.

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• MCQmediumMagnetic effect of currentmotion of charge particle in magnetic field

  A particle of charge q and mass m is projected from the origin with initial velocity v = (v₀/√2)î+(v₀/√2)ĵ. The region 0 ≤ x ≤ L contains a uniform magnetic field B = B₀ k̂ and a position-dependent electric field E = E₀ exp(-λx) î, where λ is a positive constant. After the particle moves from x = 0 to x = L, what is the change in its kinetic energy?

  Options

  • Option A

    (qE₀/ λ)[1-exp(-λL)]

  • Option B

    (v₀qB₀ /2λ)[2-exp(-2λL)]

  • Option C

    -(qE₀ /λ)[1+exp(-λL)]

  • Option D

    q[(E₀+v₀B₀) /λ][1-exp(-λL /2)]

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