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Day 184: JEE Mains Physics

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

  1. Question 1

    Gravitation. Asked once: 23 Jan 2025 (same type asked 4 times) See all 4 of this type

    97
    A satellite of mass M2\frac{M}{2} is revolving around earth in a circular orbit at a height of R3\frac{R}{3} from earth surface. The angular momentum of the satellite is MGMRxM\sqrt{\frac{GMR}{x}}. The value of xx is ____\_\_\_\_ , where M and RR are the mass and radius of earth, respectively. ( G is the gravitational constant)

  2. Question 2

    Ray Optics. Asked once: 22 Jan 2025 (same type asked 4 times) See all 4 of this type

    76
    A symmetric thin biconvex lens is cut into four equal parts by two planes AB and CD as shown in figure. If the power of original lens is 4D then the power of a part of the divided lens is

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  3. Question 3

    Units and Measurements. Asked once: 27 Jan 2024 (same type asked 4 times) See all 4 of this type

    17
    Given below are two statements: Statement (I): Planck's constant and angular momentum have same dimensions. Statement (II): Linear momentum and moment of force have same dimensions. In the light of the above statements, choose the correct answer from the options given below:

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  4. Question 4

    Atoms. Asked once: 5 Apr 2024 (same type asked 4 times) See all 4 of this type

    93
    The angular momentum of an electron in a hydrogen atom is proportional to : (Where rr is the radius of orbit of electron)

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  5. Question 5

    Current Electricity. Asked once: 24 Jan 2025 (same type asked 4 times) See all 4 of this type

    23
    A wire of resistance 9Ω9\Omega is bent to form an equilateral triangle. Then the equivalent resistance across any two vertices will be ____\_\_\_\_ ohm.