PYQ Vault

Day 363: JEE Mains Physics

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

  1. Question 1

    Gravitation. Asked once: 8 Apr 2023 (same type asked 4 times) See all 4 of this type

    99
    The orbital angular momentum of a satellite is LL, when it is revolving in a circular orbit at height hh from earth surface. If the distance of satellite from the earth centre is increased by eight times to its initial value, then the new angular momentum will be-

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  2. Question 2

    Ray Optics. Asked once: 27 Jun 2022 (same type asked 4 times) See all 4 of this type

    106
    A convex lens has power P. It is cut into two halves along its principal axis. Further one piece (out of the two halves) is cut into two halves perpendicular to the principal axis (as shown in figure). Choose the incorrect option for the reported pieces.

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  3. Question 3

    Units and Measurements. Asked once: 14 Jun 2022 (same type asked 4 times) See all 4 of this type

    4
    Identify the pair of physical quantities which have different dimensions:

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  4. Question 4

    Atoms. Asked once: 2021 Paper 7 (same type asked 4 times) See all 4 of this type

    4
    If an electron is moving in the nth n^{\text{th~}} orbit of the hydrogen atom, then its velocity (vn)\left( v_{n} \right) for the nth n^{\text{th~}} orbit is given as :

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  5. Question 5

    Current Electricity. Asked once: 2021 Paper 22 (same type asked 4 times) See all 4 of this type

    24
    A square shaped wire with resistance of each side 3Ω3\Omega is bent to form a complete circle. The resistance between two diametrically opposite points of the circle in unit of Ω\Omega will be