Shift 2 physics questions with solutions

Showing 1–10 of 260 questions

• NumericmediumMagnetic effect of currentbiot savart law and magnetic field due to straight conductor ,arc and ring

  The ratio of magnetic field at the centre of a current-carrying coil of radius r to the magnetic field at a distance r from the centre of the coil on its axis is √x : 1. The value of x is ______.

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  JEE Mains8 April 2023Shift 2Evening Shift

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• IntegermediumElectrostaticElectric field intensity

  An electron revolves in a circular path around an infinite line charge of linear charge density 2 × 10⁻⁸ C m⁻¹. The electron mass is 9 × 10⁻³¹ kg. Its speed is ______ × 10⁶ m s⁻¹.

  

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  JEE Mains10 April 2023Shift 2Evening Shift

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• NumericeasyThermodynamicsheat and principle of calorimeter

  A water heater of power 2000 W is used to heat 2 kg of water from 10°C to 60°C. Specific heat capacity of water is 4200 J kg⁻¹ K⁻¹ and efficiency of heater is 70%. Time required is ______ s.

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  JEE Mains31 January 2023Shift 2Evening Shift

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• MCQeasyProperties of solid and fluidviscosity and terminal velocity

  Eight equal water drops fall through air with terminal speed 10 cm s⁻¹. If they coalespe into one drop, the new terminal speed is:

  Options

  • Option A

    10 cm s⁻¹

  • Option B

    40 cm s⁻¹

  • Option C

    16 cm s⁻¹

  • Option D

    5 cm s⁻¹

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  JEE Mains11 April 2023Shift 2Evening Shift

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• NumericmediumSimple Harmonic Motiontime period of linear shm

  The velocity of a particle executing SHM varies with displacement x as 4v² = 50 - x². The time period of oscillations is x₀/7 s. The value of x₀ is ______. [Take π = 22/7]

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  JEE Mains30 January 2023Shift 2Evening Shift

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• NumericeasyWave Motiondoppler effect

  A train blowing a whistle of frequency 320 Hz approaches an observer standing on the platform at a speed of 66 m/s. The frequency observed by the observer will be (given speed of sound = 330 m s⁻¹) _______ Hz.

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  JEE Mains25 January 2023Shift 2Evening Shift

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• IntegereasySimple Harmonic Motiondisplacement ,velocity and acceleration ,phasor diagram

  A 5 kg block attached to a horizontal spring executes SHM of amplitude 1 m and time period 3.14 s. The maximum spring force is ______ N.

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  JEE Mains10 April 2023Shift 2Evening Shift

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

  A null point is found at 200 cm in potentiometer when cell in secondary circuit is shunted by 5 Ω. When a resistance of 15 Ω is used for shunting, null point moves to 300 cm. The internal resistance of the cell is ______ Ω.

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  JEE Mains29 January 2023Shift 2Evening Shift

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• MCQmediumCurrent electricityCircuit Theory & Kirchhoff’s Laws

  In the resistor network shown, the current through R₂ is:

  

  Options

  • Option A

    1/3 A

  • Option B

    1/4 A

  • Option C

    2/3 A

  • Option D

    1/2 A

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  JEE Mains11 April 2023Shift 2Evening Shift

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

  A 500 g body moves along x such that v = 10√x m s⁻¹. The force on the body is:

  Options

  • Option A

    25 N

  • Option B

    5 N

  • Option C

    166 N

  • Option D

    125 N

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  JEE Mains11 April 2023Shift 2Evening Shift

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