JEE Mains 2024 05 Apr Evening Shift physics questions with solutions

Showing 1–10 of 30 questions

• MCQeasyGeometrical opticsdespersion of light ,despersive power and combination of prism

  Given below are two statements :

  Statement I : When the white light passed through a prism, the red light bends lesser than yellow and violet.

  Statement II : The refractive indices are different for different wavelengths in dispersive medium.

  In the light of the above statements, choose the correct answer from the options given below :

  Options

  • Option A

    Both Statement I and Statement II are true.

  • Option B

    Statement I is true but Statement II is false.

  • Option C

    Both Statement I and Statement II are false.

  • Option D

    Statement I is false but Statement II is true.

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• NumericeasyElectromagnetic Inductionself induction and L-R circuit

  The current in an inductor is given by I = (3t + 8) where t is in second. The magnitude of induced emf produced in the inductor is 12 mV. The self-inductance of the inductor _______ mH.

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• MCQeasyUnit dimension and errorvernier callipers and screw gauge

  A vernier callipers has 20 divisions on the vernier scale, which coincides with 19th division on the main scale. The least count of the instrument is 0.1 mm. One main scale division is equal to ____mm.

  Options

  • Option A

    1

  • Option B

    0.5

  • Option C

    2

  • Option D

    5

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• MCQmediumCurrent electricityCells, Maximum Power & Heating Effect

  The ratio of heat dissipated per second through the resistance 5 Ω and 10 Ω in the circuit given below is :

  

  Options

  • Option A

    1 : 2

  • Option B

    2 : 1

  • Option C

    4 : 1

  • Option D

    1 : 1

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

  The maximum height reached by a projectile is 64 m. If the initial velocity is halved, the new maximum height of the projectile is ______ m.

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• MCQeasyMagnetic effect of currentmotion of charge particle in magnetic field

  The electrostatic force F₁ and magnetic force F₂ acting on a charge q moving with velocity V can be written :

  Options

  • Option A

    F₁ = q(V · E), F₂ = q(B · V)

  • Option B

    F₁ = qB, F₂ = q(B × V)

  • Option C

    F₁ = qE, F₂ = q(V × B)

  • Option D

    F₁ = qE, F₂ = q(B × V)

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• NumericmediumAtomic Structure and X-raysatomic structure and bohr atomic model

  The shortest wavelength of the spectral lines in the Lyman series of hydrogen spectrum is 915 Å. The longest wavelength of spectral lines in the Balmer series will be _______ Å.

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• NumericeasyWave Motionstationary wave of string and sonometer

  A sonometer wire of resonating length 90 cm has a fundamental frequency of 400 Hz when kept under some tension. The resonating length of the wire with fundamental frequency of 600 Hz under same tension _______ cm.

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• NumericeasyFluid Mechanicspascal law and buoyant force

  A hydraulic press containing water has two arms with diameters as mentioned in the figure. A force of 10 N is applied on the surface of water in the thinner arm. The force required to be applied on the surface of water in the thicker arm to maintain equilibrium of water is _______ N.

  

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• MCQeasyAC Circuitsseries combination of ac circuit and L-C-R circuit

  A series LCR circuit is subjected to an AC signal of 200 V, 50 Hz. If the voltage across the inductor (L = 10 mH) is 31.4 V, then the current in this circuit is ________ :

  Options

  • Option A

    68 A

  • Option B

    63 A

  • Option C

    10 A

  • Option D

    10 mA

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