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Day 429: JEE Mains Physics

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

  1. Question 1

    Units and Measurements. Asked once: 8 Apr 2023 (same type asked 20 times) See all 20 of this type

    93
    Match List I with List II
    LIST-ILIST-II
    (A) Torque(I) ML−2T−2ML^{-2}T^{-2}
    (B) Stress(II) ML2T−2ML^{2}T^{-2}
    (C) Pressure gradient(III) ML−1T−1ML^{-1}T^{-1}
    (D) Coefficient of viscosity(IV) ML−1T−2ML^{-1}T^{-2}
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  2. Question 2

    Gravitation. Asked once: 2021 Paper 3 (same type asked 14 times) See all 14 of this type

    7
    Two satellites A and B of masses 200 kg200\text{ }kg and 400 kg400\text{ }kg are revolving round the earth at height of 600 km600\text{ }km and 1600 km1600\text{ }km respectively. If TAT_{A} and TBT_{B} are the time periods of AA and BB respectively then the value of TB−TAT_{B}-T_{A} : [Given : radius of earth =6400 km= 6400\text{ }km, mass of earth =6×1024 kg= 6 \times10^{24}\text{ }kg ]

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  3. Question 3

    Units and Measurements. Asked once: 31 Jan 2023 (same type asked 20 times) See all 20 of this type

    94
    Match List I with List II
    LIST ILIST II
    A. Angular momentumI. [ML2 T−2]\left\lbrack ML^{2}{\text{ }T}^{- 2} \right\rbrack
    B. TorqueII. [ML−2 T−2]\left\lbrack ML^{- 2}{\text{ }T}^{- 2} \right\rbrack
    C. StressIII. [ML2 T−1]\left\lbrack ML^{2}{\text{ }T}^{- 1} \right\rbrack
    D. Pressure gradientIV. [ML−1 T−2]\left\lbrack ML^{- 1}{\text{ }T}^{- 2} \right\rbrack
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  4. Question 4

    Gravitation. Asked once: 2021 Paper 1 (same type asked 14 times) See all 14 of this type

    2
    Consider two satellites S1S_{1} and S2S_{2} with periods of revolution 1hr1hr. and 8hr8hr. respectively revolving around a planet in circular orbits. The ratio of angular velocity of satellite S1S_{1} to the angular velocity of satellite S2S_{2} is -

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  5. Question 5

    Units and Measurements. Asked once: 30 Jan 2023 (same type asked 20 times) See all 20 of this type

    105
    Match List I with List II:
    List IList II
    A.TorqueI. kg m−1 s−2kg\,m^{-1}\,s^{-2}
    B.Energy densityII. kg m s−1kg\,m\,s^{-1}
    C.Pressure gradientIII. kg m−2 s−2kg\,m^{-2}\,s^{-2}
    D.ImpulseIV. kg m2 s−2kg\,m^{2}\,s^{-2}
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