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Day 587: JEE Mains Physics

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

  1. Question 1

    Motion in a Plane. Asked once: 2021 Paper 20

    5
    The resultant of these forces OP→,OQ→,OR→,OS→\overrightarrow{OP},\overrightarrow{OQ},\overrightarrow{OR},\overrightarrow{OS} and OT→\overrightarrow{OT} is approximately ...... NN. [Take 3=1.7,2=1.4\sqrt{3}= 1.7,\sqrt{2}= 1.4 Given i^\widehat{i} and j^\widehat{j} unit vectors along x,yx,y axis]

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  2. Question 2

    Motion in a Straight Line. Asked once: 2021 Paper 23

    24
    A particle is moving with constant acceleration ' aa '. Following graph shows v2v^{2} versus xx (displacement) plot. The acceleration of the particle is ____\_\_\_\_ m/s2m/s^{2}

  3. Question 3

    Ray Optics. Asked once: 28 Jun 2022

    13
    The aperture of the objective is 24.4 cm24.4\text{ }cm. The resolving power of this telescope, if light of wavelength 2440Å2440\text{Å} is used to see the object, will be

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  4. Question 4

    Semiconductor Electronics. Asked once: 4 Apr 2024

    94
    Which of the diode circuit shows correct biasing used for the measurement of dynamic resistance of p-n junction diode:

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  5. Question 5

    System of Particles and Rotational Motion. Asked once: 2021 Paper 19

    9
    The solid cylinder of length 80 cm80\text{ }cm and mass MM has a radius of 20 cm20\text{ }cm. Calculate the density of the material used if the moment of inertia of the cylinder about an axis CDCD parallel to ABAB as shown in figure is 2.7 kg m22.7\text{ }kg{\text{ }m}^{2}.

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