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Day 277: JEE Mains Physics

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

  1. Question 1

    Wave Optics. Asked once: 4 Apr 2024 (same type asked 5 times) See all 5 of this type

    97
    The width of one of the two slits in a Young's double slit experiment is 4 times that of the other slit. The ratio of the maximum to the minimum intensity in the interference pattern is:

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  2. Question 2

    Electrostatics. Asked once: 29 Jan 2023 (same type asked 5 times) See all 5 of this type

    29
    A point charge q1=4q0q_{1}= 4q_{0} is placed at origin. Another point charge q2=−q0q_{2}= -q_{0} is placed at x=12 cmx = 12\text{ }cm. Charge of proton is q0q_{0}. The proton is placed on xx axis so that the electrostatic force on the proton is zero. In this situation, the position of the proton from the origin is___ cmcm.

  3. Question 3

    Motion in a Plane. Asked once: 6 Apr 2023 (same type asked 5 times) See all 5 of this type

    6
    A particle is moving with constant speed in a circular path. When the particle turns by an angle 90∘90^{\circ}, the ratio of instantaneous velocity to its average velocity is π:x2\pi:x\sqrt{2}. The value of xx will be

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  4. Question 4

    Oscillations. Asked once: 2021 Paper 21 (same type asked 5 times) See all 5 of this type

    22
    Two simple harmonic motion, are represented by the equations y1=10sin⁡(3πt+π3)y_{1}= 10\sin\left( 3\pi t +\frac{\pi}{3} \right) y2=5(sin⁡3πt+3cos⁡3πt)y_{2}= 5(\sin3\pi t +\sqrt{3}\cos3\pi t) Ratio of amplitude of y1y_{1} to y2=x:1y_{2}=x:1. The value of xx is

  5. Question 5

    Mechanical Properties of Solids. Asked once: 27 Jan 2024 (same type asked 5 times) See all 5 of this type

    30
    If average depth of an ocean is 4000 m4000\text{ }m and the bulk modulus of water is 2×109Nm−22 \times10^{9}Nm^{- 2}, then fractional compression ΔVV\frac{\Delta V}{V} of water at the bottom of ocean is α×10−2\alpha\times10^{- 2}. The value of α\alpha is ____ (Given, g=10 ms−2,ρ=1000 kg m−3g = 10{\text{ }ms}^{- 2},\rho= 1000\text{ }kg{\text{ }m}^{- 3} )