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Day 507: JEE Mains Physics

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

  1. Question 1

    Alternating Current. Asked once: 2021 Paper 22

    18
    In an ac circuit, an inductor, a capacitor and a resistor are connected in series with XL=R=XCX_{L}= R =X_{C}. Impedance of this circuit is:

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  2. Question 2

    Atoms. Asked once: 31 Jan 2023

    27
    For hydrogen atom, λ1\lambda_{1} and λ2\lambda_{2} are the wavelengths corresponding to the transitions 1 and 2 respectively as shown in figure. The ratio of λ1\lambda_{1} and λ2\lambda_{2} is x32\frac{x}{32}. The value of xx is

  3. Question 3

    Current Electricity. Asked once: 21 Jan 2026 S2

    15
    Two known resistance of RΩR\Omega and 2RΩ2R\Omega and and one unknown resistance XΩX\Omega are connected in a circuit as shown in the figure. If the equivalent resistance between points A and B in the circuit is XΩX\Omega, then the value of X is ____\_\_\_\_ Ω\Omega.

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  4. Question 4

    Dual Nature of Radiation and Matter. Asked once: 10 Apr 2023

    103
    The variation of stopping potential (V0)\left( V_{0} \right) as a function of the frequency (v)(v) of the incident light for a metal is shown in figure. The work function of the surface is

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  5. Question 5

    Electromagnetic Induction. Asked once: 30 Jan 2023

    24
    As per the given figure, if dIdt=−1 A/s\frac{dI}{dt}= - 1\text{ }A/s then the value of VABV_{AB} at this instant will be ____\_\_\_\_ V.