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Day 523: JEE Mains Physics

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

  1. Question 1

    Laws of Motion. Asked once: 12 Apr 2023

    10
    Three force F1=10 N,F2=8 N,F3=6 NF_{1}= 10\text{ }N,F_{2}= 8\text{ }N,F_{3}= 6\text{ }N are acting on a particle of mass 5 kg5\text{ }kg. The forces F2F_{2} and F3F_{3} are applied perpendicular so that particle remains at rest. If the force F1F_{1} is removed, then the acceleration of the particle is:

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  2. Question 2

    Mechanical Properties of Fluids. Asked once: 29 Jul 2022

    7
    Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Clothes containing oil or grease stains cannot be cleaned by water wash. Reason (R): Because the angle of contact between the oil/ grease and water is obtuse. In the light of the above statements, choose the correct answer from the option given below.

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  3. Question 3

    Motion in a Plane. Asked once: 29 Jan 2024

    96
    A stone of mass 900 g900\text{ }g is tied to a string and moved in a vertical circle of radius 1 m1\text{ }m making 10rpm10rpm. The tension in the string, when the stone is at the lowest point is (if π2=9.8\pi^{2}= 9.8 and g=9.8 m/s2g = 9.8\text{ }m/s^{2} )

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  4. Question 4

    Motion in a Straight Line. Asked once: 12 Apr 2023

    15
    A ball is thrown vertically upward with an initial velocity of 150 m/s150\text{ }m/s. The ratio of velocity after 3 s3\text{ }s and 5 s5\text{ }s is x+1x\frac{x + 1}{x}. The value of xx is Take (g=10 m/s2)\left( g = 10\text{ }m/s^{2} \right).

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  5. Question 5

    Moving Charges and Magnetism. Asked once: 25 Jan 2023

    4
    Match List I with List II Choose the correct answer from the options given below :

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