JEE Mains 2024 04 Apr Evening Shift physics questions with solutions

Showing 1–10 of 30 questions

• 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.

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• MCQeasySimple Harmonic Motionkinetic and potential 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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• MCQeasyNewtons law of motion and Frictionfriction and single block problem

  A 2 kg brick begins to slide over a surface which is inclined at an angle of 45° with respect to horizontal axis. The co-efficient of static friction between their surfaces is:

  Options

  • Option A

    1

  • Option B

    1/√3

  • Option C

    0.5

  • Option D

    1.7

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• NumericmediumCurrent electricityElectric Current, Drift Velocity & Resistance

  Two wires A and B are made up of the same material and have the same mass. Wire A has radius of 2.0 mm and wire B has radius of 4.0 mm. The resistance of wire B is 2 Ω. The resistance of wire A is ______ Ω.

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• MCQeasyElectromagnetic wavedisplacement current and properties of electromagnetic wave

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

  According to Bohr's theory, the moment of momentum of an electron revolving in 4th orbit of hydrogen atom is:

  Options

  • Option A

    h/(8π)

  • Option B

    h/π

  • Option C

    2h/π

  • Option D

    h/(2π)

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• MCQeasyProperties of solid and fluidproperties of fluid and surface tension

  Given below are two statements:

  Statement I: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well.

  Statement II: The rise of a liquid in a capillary tube does not depend on the inner radius of the tube.

  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 false

  • Option B

    Statement I is false but Statement II is true.

  • Option C

    Statement I is true but Statement II is false.

  • Option D

    Both Statement I and Statement II are true.

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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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• NumericmediumFluid Mechanicsquestion based on variation of pressure

  Mercury is filled in a tube of radius 2 cm up to a height of 30 cm. The force exerted by mercury on the bottom of the tube is ______ N. (Given, atmospheric pressure = 10⁵ N m⁻², density of mercury = 1.36 × 10⁴ kg m⁻³, g = 10 m s⁻², π = 22/7)

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• MCQeasyThermodynamicskinetic therory of gaseous

  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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