PYQ Vault

Day 597: JEE Mains Physics

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

  1. Question 1

    Ray Optics. Asked once: 2021 Paper 25

    13
    A short straight object of height 100 cm100\text{ }cm lies before the central axis of a spherical mirror whose focal length has absolute value ∣f∣=40 cm|f| = 40\text{ }cm. The image of object produced by the mirror is of height 25 cm25\text{ }cm and has the same orientation of the object. One may conclude from the information:

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  2. Question 2

    Semiconductor Electronics. Asked once: 29 Jan 2024

    92
    The truth table for this given circuit is:

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  3. Question 3

    System of Particles and Rotational Motion. Asked once: 2021 Paper 13

    8
    A semi-ring has mass mm and radius RR as shown. The COMCOM of semi ring lies on YY axis at a distance of xRπ\frac{xR}{\pi}. Find (x).

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  4. Question 4

    Current Electricity. Asked once: 30 Jan 2024

    3
    A potential divider circuit is shown in figure. The output voltage V0V_{0} is

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  5. Question 5

    Electrostatics. Asked once: 11 Apr 2023

    94
    A capacitor of capacitance CC is charged to a potential V. The flux of the electric field through a closed surface enclosing the positive plate of the capacitor is:

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