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Day 540: JEE Mains Physics

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

  1. Question 1

    Ray Optics. Asked once: 9 Apr 2024

    92
    The following figure represents two biconvex lenses L1L_{1} and L2L_{2} having focal length 10 cm10\text{ }cm and 15 cm15\text{ }cm respectively. The distance between L1& L2L_{1}\&{\text{ }L}_{2} is:

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  2. Question 2

    Semiconductor Electronics. Asked once: 3 Apr 2025

    3
    Choose the correct logic circuit for the given truth table having inputs A and B.
    ABY
    000
    010
    101
    111

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  3. Question 3

    System of Particles and Rotational Motion. Asked once: 8 Apr 2024

    21
    A uniform thin metal plate of mass 10 kg10\text{ }kg with dimensions is shown. The ratio of xx and yy coordinates of center of mass of plate in n9\frac{n}{9}. The value of nn is ______

  4. Question 4

    Thermodynamics. Asked once: 30 Jan 2023

    8
    Heat is given to an ideal gas in an isothermal process. A. Internal energy of the gas will decrease. B. Internal energy of the gas will increase. C. Internal energy of the gas will not change. D. The gas will do positive work. E. The gas will do negative work. Choose the correct answer from the options given below:

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  5. Question 5

    Units and Measurements. Asked once: 1 Feb 2024

    107
    Match List-I with List-II.
    List-I (Number)List-II (Significant figures)
    (A) 1001(I) 3
    (B) 010.1(II) 4
    (C) 100.100(III) 5
    (D) 0.0010010(IV) 6
    Choose the correct answer from the options given below :

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