JEE Mains 2024 05 Apr Morning Shift physics questions with solutions

Showing 1–10 of 30 questions

• MCQmediumThermodyanmicscyclic process its effeciency ,second law of thermodynamics

  The heat absorbed by a system in going through the given cyclic process is:

  

  Options

  • Option A

    61.6 J

  • Option B

    431.2 J

  • Option C

    616 J

  • Option D

    19.6 J

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• MCQeasyMagnetic effect of currentampere's law and its application

  In a co-axial straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero:

  Options

  • Option A

    inside the outer conductor

  • Option B

    in between the two conductors

  • Option C

    outside the cable

  • Option D

    inside the inner conductor

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• NumericmediumAc Cirucuitsseries combination of ac circuit and L-C-R circuit

  An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of 20 μF is ______ V.

  

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• MCQmediumGravitationlaw of gravitation ,gravitational field intensity ,gravitational potential and potential energy

  Match list-I with list-II:

  List-I
  (A) Kinetic energy of planet
  (B) Gravitation Potential energy of Sun-planet system.
  (C) Total mechanical energy of planet
  (D) Escape energy at the surface of planet for unit mass object

  List-II (I) -GMm/a (II) GMm/(2a) (III) Gm/r (IV) -GMm/(2a)

  (Where a = radius of planet orbit, r = radius of planet, M = mass of Sun, m = mass of planet)

  Choose the correct answer from the options given below:

  Options

  • Option A

    (A) – II, (B) – I, (C) – IV, (D) – III

  • Option B

    (A) – III, (B) – IV, (C) – I, (D) – II

  • Option C

    (A) – I, (B) – IV, (C) – II, (D) – III

  • Option D

    (A) – I, (B) – II, (C) – III, (D) – IV

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• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  Ratio of radius of gyration of a hollow sphere to that of a solid cylinder of equal mass, for moment of inertia about their diameter axis AB as shown in figure is √(8/x). The value of x is:

  

  Options

  • Option A

    34

  • Option B

    17

  • Option C

    67

  • Option D

    51

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• MCQmediumCurrent electricitycircuit theory

  In the given figure R₁ = 10 Ω, R₂ = 8 Ω, R₃ = 4 Ω and R₄ = 8 Ω. Battery is ideal with emf 12V. Equivalent resistant of the circuit and current supplied by battery are respectively.

  

  Options

  • Option A

    12 Ω and 11.4 A

  • Option B

    10.5 Ω and 1.14 A

  • Option C

    10.5 Ω and 1 A

  • Option D

    12 Ω and 1 A

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• MCQmediumElectrostaticselectric charge and coulamb's law

  In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of:

  Options

  • Option A

    10³⁹

  • Option B

    10¹⁹

  • Option C

    10²⁹

  • Option D

    10³⁶

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• NumericmediumKinematics Part-1 (one dimension)Motion under constant acceleration

  A body moves on a frictionless plane starting from rest. If Sₙ is distance moved between t = n - 1 and t = n and Sₙ₋₁ is distance moved between t = n - 2 and t = n - 1, then the ratio Sₙ₋₁/Sₙ is (1 - 2/x) for n = 10. The value of x is ______.

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• NumericeasyNewtons law of motion and Frictionsimple pulley problem

  Three blocks M₁, M₂, M₃ having masses 4 kg, 6 kg and 10 kg respectively are hanging from a smooth pully using rope 1, 2 and 3 as shown in figure. The tension in the rope 1, T₁ when they are moving upward with acceleration of 2 m s⁻² is ______ N (if g = 10 m/s²)

  

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• MCQmediumElectromagnetic InductionMutual induction and L-C oscillations,transformer

  Two conducting circular loops A and B are placed in the same plane with their centres coinciding as shown in figure. The mutual inductance between them is:

  

  Options

  • Option A

    μ₀πa²/(2b)

  • Option B

    μ₀b²/(2πa)

  • Option C

    μ₀πb²/(2a)

  • Option D

    μ₀a²/(2πb)

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