JEE Mains 2024 04 Apr Evening Shift physics questions with solutions

Showing 1–10 of 30 questions

• MCQmediumGravitationSatellites, Orbital Motion & Kepler’s Laws

  Correct formula for height of a satellite from earth's surface is:

  Options

  • Option A

    [(T²R²g)/(4π²)]¹ᐟ² - R

  • Option B

    [(T²R²g)/(4π²)]¹ᐟ³ - R

  • Option C

    [(T²R²)/(4π²g)]¹ᐟ³ - R

  • Option D

    [(T²R²)/(4π²)]¹ᐟ³ + R

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• MCQmediumAC CircuitsSeries AC Circuits: Impedance, Phase Difference, Resonance and Power Factor

  Match List I with List II.

  List-I
  A. Purely capacitive circuit
  B. Purely inductive circuit
  C. LCR series at resonance
  D. LCR series circuit

  List-II

  I.

  

  II.

  

  III.

  

  IV.

  

  Choose the correct answer from the options given below:

  Options

  • Option A

    A-I, B-IV, C-III, D-II

  • Option B

    A-IV, B-I, C-III, D-II

  • Option C

    A-IV, B-I, C-II, D-III

  • Option D

    A-I, B-IV, C-II, D-III

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

  A bus moving along a straight highway with speed of 72 km/h is brought to halt within 4s after applying the brakes. The distance travelled by the bus during this time (Assume the retardation is uniform) is ______ m.

  Your answer

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• MCQeasyUnits, Dimensions, Measurements and ErrorsDimensional Analysis and Its Applications

  Applying the principle of homogeneity of dimensions, determine which one is correct, where T is time period, G is gravitational constant, M is mass, r is radius of orbit.

  Options

  • Option A

    T² = 4π²r²/(GM)

  • Option B

    T² = 4π²r³

  • Option C

    T² = 4π²r³/(GM)

  • Option D

    T² = 4π²r²/(GM)

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• MCQeasysemiconductorLogic Gates & Boolean Operations

  Identify the logic gate given in the circuit:

  

  Options

  • Option A

    NAND - gate

  • Option B

    OR - gate

  • Option C

    AND gate

  • Option D

    NOR gate

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• MCQeasyThermodynamicsKinetic Theory of Gases and Molecular Properties

  The translational degrees of freedom (f(trans)) and rotational degrees of freedom (f(rot)) of CH₄ molecule are:

  Options

  • Option A

    f(trans) = 2 and f(rot) = 2

  • Option B

    f(trans) = 3 and f(rot) = 3

  • Option C

    f(trans) = 3 and f(rot) = 2

  • Option D

    f(trans) = 2 and f(rot) = 3

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• MCQeasysemiconductorP–N Junction Diode & Forward–Reverse Bias

  Which of the diode circuit shows correct biasing used for the measurement of dynamic resistance of p-n junction diode:

  Options

  • Option A

    
  • Option B

    
  • Option C

    
  • Option D

    

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• MCQeasySimple Harmonic MotionKinetic Energy, Potential Energy and Conservation of Energy in SHM

  In simple harmonic motion, the total mechanical energy of given system is E. If mass of oscillating particle P is doubled then the new energy of the system for same amplitude is:

  

  Options

  • Option A

    E/√2

  • Option B

    E

  • Option C

    E√2

  • Option D

    2E

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• MCQeasyCurrent electricityCells, Maximum Power & Heating Effect

  An electric bulb rated 50 W – 200 V is connected across a 100 V supply. The power dissipation of the bulb is:

  Options

  • Option A

    12.5 W

  • Option B

    25 W

  • Option C

    50 W

  • Option D

    100 W

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• MCQeasyElectromagnetic waveDisplacement Current, Maxwell's Equations and Properties of Electromagnetic Waves

  Arrange the following in the ascending order of wavelength:

  (A) Gamma rays (λ₁)
  (B) x-ray (λ₂)
  (C) Infrared waves (λ₃)
  (D) Microwaves (λ₄)

  Choose the most appropriate answer from the options given below:

  Options

  • Option A

    λ₄ < λ₃ < λ₁ < λ₂

  • Option B

    λ₄ < λ₃ < λ₂ < λ₁

  • Option C

    λ₁ < λ₂ < λ₃ < λ₄

  • Option D

    λ₂ < λ₁ < λ₄ < λ₃

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