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Day 453: JEE Mains Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Alternating Current. Asked once: 9 Apr 2024

    113
    A capacitor of reactance 43Ω4\sqrt{3}\Omega and a resistor of resistance 4Ω4\Omega are connected in series with an ac source of peak value 82 V8\sqrt{2}\text{ }V. The power dissipation in the circuit is________ W.

  2. Question 2

    Atoms. Asked once: 4 Apr 2025

    79
    Given below are two statements: Statement (I) : The dimensions of Planck's constant and angular momentum are same. Statement (II) : In Bohr's model electron revolve around the nucleus only in those orbits for which angular momentum is integral multiple of Planck's constant. In the light of the above statements, choose the most appropriate answer from the options given below:

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  3. Question 3

    Current Electricity. Asked once: 5 Apr 2026 S1

    13
    Refer to the figure given below, current between terminals A and B is ____\_\_\_\_ A.

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  4. Question 4

    Dual Nature of Radiation and Matter. Asked once: 29 Jan 2025

    14
    If λ\lambda and K are de Broglie Wavelength and kinetic energy, respectively, of a particle with constant mass. The correct graphical representation for the particle will be :-

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  5. Question 5

    Electromagnetic Induction. Asked once: 23 Jan 2026 S1

    21
    A simple pendulum made of mass 10 g and a metallic wire of length 10 cm is suspended vertically in a uniform magnetic field of 2 T. The magnetic field direction is perpendicular to the plane of oscillations of the pendulum. If the pendulum is released from an angle of 60∘60^{\circ} with vertical, then maximum induced EMF between the point of suspension and point of oscillation is ____\_\_\_\_ mV. (Take g=10 m/s2g = 10\text{ }m/s^{2})