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Day 546: JEE Mains Physics

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

  1. Question 1

    Motion in a Plane. Asked once: 8 Apr 2023

    16
    Two forces having magnitude AA and A2\frac{A}{2} are perpendicular to each other. The magnitude of their resultant is

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  2. Question 2

    Motion in a Straight Line. Asked once: 30 Jan 2023

    2
    The figure represents the momentum time (p−t)(p - t) curve for a particle moving along an axis under the influence of the force. Identify the regions on the graph where the magnitude of the force is maximum and minimum respectively? If (t3−t2)<t1\left( t_{3}-t_{2} \right)<t_{1}

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  3. Question 3

    Moving Charges and Magnetism. Asked once: 2021 Paper 9

    6
    Four identical long solenoids A, B, C and D are connected to each other as shown in the figure. If the magnetic field at the center of AA is 3 T3\text{ }T, the field at the center of CC would be: (Assume that the magnetic field is confined with in the volume of respective solenoid).

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  4. Question 4

    Oscillations. Asked once: 2021 Paper 20

    20
    The variation of displacement with time of a particle executing free simple harmonic motion is shown in the figure. The potential energy U(x)U(x) versus time ( t)t) plot of the particle is correctly shown in figure:

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  5. Question 5

    Ray Optics. Asked once: 13 Apr 2023

    28
    A fish rising vertically upward with a uniform velocity of 8 ms−18{\text{ }ms}^{- 1}, observes that a bird is diving vertically downward towards the fish with the velocity of 12 ms−112{\text{ }ms}^{- 1}. If the refractive index of water is 43\frac{4}{3}, then the actual velocity of the diving bird to pick the fish, will be___ ms−1ms^{- 1}.