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Day 547: JEE Mains Physics

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

  1. Question 1

    Semiconductor Electronics. Asked once: 29 Jan 2025

    15
    For the circuit shown above, equivalent GATE is :

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  2. Question 2

    System of Particles and Rotational Motion. Asked once: 1 Feb 2024

    119
    A uniform rod ABAB of mass 2 kg2\text{ }kg and Length 30 cm30\text{ }cm at rest on a smooth horizontal surface. An impulse of force 0.2Ns0.2Ns is applied to end BB. The time taken by the rod to turn through at right angles will be πxs\frac{\pi}{x}s, where x=x = ______ .

  3. Question 3

    Thermodynamics. Asked once: 24 Jan 2023

    107
    In an Isothermal change, the change in pressure and volume of a gas can be represented for three different temperature; T3>T2>T1T_{3}>T_{2}>T_{1} as:

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  4. Question 4

    Units and Measurements. Asked once: 27 Jan 2024

    101
    Given below are two statements: one is labelled as Assertion(A) and the other is labelled as Reason (R). Assertion (A): In Vernier calliper if positive zero error exists, then while taking measurements, the reading taken will be more than the actual reading. Reason (R): The zero error in Vernier Calliper might have happened due to manufacturing defect or due to rough handling. In the light of the above statements, choose the correct answer from the options given below:

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  5. Question 5

    Work, Energy and Power. Asked once: 31 Jan 2023

    23
    A lift of mass M=500 kgM = 500\text{ }kg is descending with speed of 2 ms−12{\text{ }ms}^{- 1}. Its supporting cable begins to slip thus allowing it to fall with a constant acceleration of 2 ms−22{\text{ }ms}^{- 2}. The kinetic energy of the lift at the end of fall through to a distance of 6 m6\text{ }m will be___ kJkJ.