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Day 252: JEE Mains Physics

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

  1. Question 1

    Units and Measurements. Asked once: 28 Jan 2026 S2 (same type asked 20 times) See all 20 of this type

    20
    Match List-I with List-II.
    List-IList-II
    (A) Coefficient of viscosity(I) [ML−1T−2]\left\lbrack ML^{-1}T^{-2} \right\rbrack
    (B) Surface tension(II) [ML2T−2]\left\lbrack ML^{2}T^{-2} \right\rbrack
    (C) Pressure(III) [ML0T−2]\left\lbrack ML^{0}T^{-2} \right\rbrack
    (D) Surface energy(IV) [ML−1T−1]\left\lbrack ML^{-1}T^{-1} \right\rbrack
    Choose the correct answer from the options given below:

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  2. Question 2

    Gravitation. Asked once: 23 Jan 2025 (same type asked 14 times) See all 14 of this type

    85
    If a satellite orbiting the Earth is 9 times closer to the Earth than the Moon, what is the time period of rotation of the satellite? Given rotational time period of Moon =27= 27 days and gravitational attraction between the satellite and the moon is neglected.

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  3. Question 3

    Electrostatics. Asked once: 3 Apr 2025 (same type asked 12 times) See all 12 of this type

    83
    Using a battery, a 100 pF capacitor is charged to 60 V and then the battery is removed. After that, a second uncharged capacitor is connected to the first capacitor in parallel. If the final voltage across the second capacitor is 20 V , its capacitance is : (in pF)

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  4. Question 4

    Ray Optics. Asked once: 2 Apr 2026 S1 (same type asked 12 times) See all 12 of this type

    15
    For a thin symmetric prism made of glass (refractive index 1.5), the ratio of incident angle and minimum deviation will be ____\_\_\_\_ .

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  5. Question 5

    Electromagnetic Waves. Asked once: 29 Jan 2024 (same type asked 11 times) See all 11 of this type

    105
    A plane electromagnetic wave of frequency 35MHz35MHz travels in free space along the XX-direction. At a particular point (in space and time) E→=9.6j^V/m\overrightarrow{E}= 9.6\widehat{j}V/m. The value of magnetic field at this point is:

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