JEE Mains 2025 3 April Evening Shift physics questions with solutions

Showing 1–10 of 25 questions

• IntegereasyUnit dimension and errorError and its addition ,subtraction,multipication and division

  A physical quantity C is related to p, q, r and s by C = pq²/(r³√s). The percentage errors in p, q, r and s are 1%, 2%, 3% and 2% respectively. Find the percentage error in C.

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• MCQeasyThermodynamicsthermodynmic process and work done

  The pressure of an ideal gas in a closed rigid vessel increases by 0.4% when its temperature is raised by 1°C. Its initial temperature is:

  Options

  • Option A

    250°C

  • Option B

    25°C

  • Option C

    250 K

  • Option D

    2500 K

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• MCQmediumAC Circuitsavg value and rms value of ac

  An electric bulb rated 100 W, 220 V is connected to an AC source of rms voltage 220 V. According to the source paper, the peak value of current through the bulb is:

  Options

  • Option A

    2.2 A

  • Option B

    0.32 A

  • Option C

    0.45 A

  • Option D

    0.64 A

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• IntegereasyProperties of solid and fluidproperties of fluid and surface tension

  The excess pressure inside soap bubble A is half the excess pressure inside soap bubble B. If the volume of bubble A is n times the volume of bubble B, find n.

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• MCQeasyCapacitorconnecting of capacitor with battery,connenctiong of two capacitor

  A 100 pF capacitor is charged to 60 V and then disconnected from the battery. A second uncharged capacitor is connected in parallel with it. The final common voltage is 20 V. The capacitance of the second capacitor is:

  Options

  • Option A

    600 pF

  • Option B

    200 pF

  • Option C

    100 pF

  • Option D

    400 pF

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• MCQmediumKinematics part-2 Projectile MotionMotion in 2-D and ground to ground projectile

  A particle is projected with speed u such that its horizontal range is three times the maximum height attained. If the horizontal range is written as nu²/(25g), the value of n is:

  Options

  • Option A

    12

  • Option B

    24

  • Option C

    18

  • Option D

    6

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• MCQmediumCenter of maas , Momentum and Collisionmomentum and conservation of momentum

  Two blocks A and B of masses 10 kg and 5 kg are on a frictionless table. Block A moves at 3 m/s toward block B, which is initially at rest and has a spring of force constant 3000 N/m attached to it as shown in the original figure. At maximum compression, both blocks move together instantaneously. The spring compression is:

  

  Options

  • Option A

    0.1 m

  • Option B

    0.3 m

  • Option C

    0.2 m

  • Option D

    0.4 m

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• MCQmediumProperties of solid and fluidviscousity and terminal velocity

  A solid steel ball of diameter 3.6 mm reaches terminal speed 2.45×10⁻² m/s while falling through oil of density 925 kg/m³. The density of steel is 7825 kg/m³ and g = 9.8 m/s². The viscosity of the oil is:

  Options

  • Option A

    1.68

  • Option B

    2.38

  • Option C

    2.18

  • Option D

    1.99

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• NumericmediumGeometrical opticsrefraction due to curved surface

  Light from a point source in air falls on a spherical glass surface of refractive index 1.5 and radius of curvature 50 cm. The image is formed 200 cm from the glass surface inside the glass. Find the magnitude of the object distance from the surface in metres.

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• MCQmediumFluid Mechanicspascal law and buoyant force

  Two cylindrical vessels of equal cross-sectional area 2 m² contain water up to heights 10 m and 6 m respectively. They are connected at the bottom. Take water density 1000 kg/m³ and g = 10 m/s². The work done by gravity is:

  Options

  • Option A

    4×10⁴ J

  • Option B

    8×10⁴ J

  • Option C

    1×10⁵ J

  • Option D

    6×10⁴ J

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