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Day 422: JEE Mains Physics

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

  1. Question 1

    Gravitation. Asked once: 29 Jun 2022 (same type asked 8 times) See all 8 of this type

    14
    The escape velocity of a body on a planet ' AA ' is 12kms−112kms^{- 1}. The escape velocity of the body on another planet ' BB ', whose density is four times and radius is half of the planet ' AA ', is:

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  2. Question 2

    Wave Optics. Asked once: 2021 Paper 21 (same type asked 8 times) See all 8 of this type

    19
    The light waves from two coherent sources have same intensity I1=I2=I0I_{1}=I_{2}=I_{0}. In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

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  3. Question 3

    Moving Charges and Magnetism. Asked once: 2021 Paper 7 (same type asked 8 times) See all 8 of this type

    11
    A solenoid of 1000 turns per metre has a core with relative permeability 500. Insulated windings of the solenoid carry an electric current of 5 A5\text{ }A. The magnetic flux density produced by the solenoid is (permeability of free space =4π×10−7 T m A−1=4\pi\times10^{-7}\ T\,m\,A^{-1}):

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  4. Question 4

    Units and Measurements. Asked once: 2021 Paper 15 (same type asked 6 times) See all 6 of this type

    2
    For the force equation F=Acos(Bx)+Csin(Dt)F=Acos(Bx) +Csin(Dt). Find dimensions of ADB\frac{AD}{B} ?

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  5. Question 5

    Units and Measurements. Asked once: 29 Jan 2025 (same type asked 20 times) See all 20 of this type

    91
    Match List-I with List-II.
    List-IList-II
    (A) Young's Modulus(I) ML−1T−1ML^{-1}T^{-1}
    (B) Torque(II) ML−1T−2ML^{-1}T^{-2}
    (C) Coefficient of Viscosity(III) M−1L3T−2M^{-1}L^{3}T^{-2}
    (D) Gravitational Constant(IV) ML2T−2ML^{2}T^{-2}
    Choose the correct answer from the options given below :

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