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Day 608: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 29 Jan 2023

    107
    A point charge 2×10−2C2 \times10^{- 2}C is moved from PP to SS in a uniform electric field of 30NC−130NC^{- 1} directed along positive xx-axis. If coordinates of PP and SS are (1,2,0)m(1,2,0)m and (0,0,0)m(0,0,0)m respectively, the work done by electric field will be

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  2. Question 2

    Ray Optics. Asked once: 2021 Paper 1

    13
    The focal length ff is related to the radius of curvature rr of the spherical convex mirror by -

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  3. Question 3

    Semiconductor Electronics. Asked once: 6 Apr 2023

    2
    Name the logic gate equivalent to the diagram attached

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  4. Question 4

    Current Electricity. Asked once: 13 Apr 2023

    114
    In the circuit shown, the energy stored in the capacitor is nμJn\mu J. The value of nn is____

  5. Question 5

    Electrostatics. Asked once: 24 Jan 2023

    115
    A parallel plate capacitor with air between the plate has a capacitance of 15pF15pF. The separation between the plate becomes twice and the space between them is filled with a medium of dielectric constant 3.5. Then the capacitance becomes x4pF\frac{x}{4}pF. The value of xx is