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Day 500: JEE Mains Physics

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

  1. Question 1

    Semiconductor Electronics. Asked once: 23 Jan 2026 S2

    13
    For the given logic gate circuit, which of the following is the correct truth table?

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  2. Question 2

    System of Particles and Rotational Motion. Asked once: 22 Jan 2026 S2

    20
    Given below are two statements : Statement I: For a mechanical system of many particles total kinetic energy is the sum of kinetic energies of all the particles. Statement II : The total kinetic energy can be the sum of kinetic energy of the center of mass w.r.t. to the origin and the kinetic energy of all the particles w.r.t. the center of mass as the reference. In the light of the above statements, choose the correct answer from the options given below :

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  3. Question 3

    Thermal Properties of Matter. Asked once: 14 Jun 2022

    120
    In an experiment to verify Newton's law of cooling, a graph is plotted between, the temperature difference (ΔT)(\Delta T) of the water and surroundings and time as shown in figure. The initial temperature of water is taken as 80∘C80^{\circ}C. The value of t2t_{2} as mentioned in the graph will be _____ minute

  4. Question 4

    Thermodynamics. Asked once: 23 Jan 2025

    90
    Water of mass mm gram is slowly heated to increase the temperature from T1T_{1} to T2T_{2}. The change in entropy of the water, given specific heat of water is 1Jkg−1 K−11Jkg^{- 1}{\text{ }K}^{- 1}, is :

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  5. Question 5

    Units and Measurements. Asked once: 22 Jan 2025

    1
    Given below are two statements : Statement I : In a vernier callipers, one vernier scale division is always smaller than one main scale division. Statement II : The vernier constant is given by one main scale division multiplied by the number of vernier scale division. In the light of the above statements, choose the correct answer from the options given below.

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