Related Questions

    1.

    A suitable unit for gravitational constant is

    A

    kgmsec1kg - m\,\,se{c^{ - 1}}

    B

    N  m1secN\;{m^{ - 1}}{\rm{sec}}

    C

    N  m2  kg2N\;{m^2}\;k{g^{ - 2}}

    D

    kg  m  sec1kg\;m{\rm{\;se}}{{\rm{c}}^{ - 1}}

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    2.

    The dimensions of universal gravitational constant are

    A

    M2L2T2{M^{ - 2}}{L^2}{T^{ - 2}}

    B

    M1L3T2{M^{ - 1}}{L^3}{T^{ - 2}}

    C

    ML1T2M{L^{ - 1}}{T^{ - 2}}

    D

    ML2T2M{L^2}{T^{ - 2}}

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    3.

    Dimensional formula for the universal gravitational constant G is

    A

    [M1L2T2]\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]

    B

    [M0L0T0]\left[ {{{\rm{M}}^0}{{\rm{L}}^0}{{\rm{T}}^0}} \right]

    C

    [M1L3T2]\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^3}{{\rm{T}}^{ - 2}}} \right]

    D

    [M1L3T1]\left[ {{{\rm{M}}^{ - 1}}{{\rm{L}}^3}{{\rm{T}}^{ - 1}}} \right]

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    4.

    A physical quantity of the dimensions of length that can be formed out of c, G and is [c is velocity of light, G is universal constant of gravitation and e is charge]

    A

    c2[Ge24πε0]1/2{c^2}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}

    B

    1c2[e2G4πε0]1/2\frac{1}{{{c^2}}}{\left[ {\frac{{{e^2}}}{{G4\pi {\varepsilon _0}}}} \right]^{1/2}}

    C

    1cGe24πε0\frac{1}{c}G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}

    D

    1c2[Ge24πε0]1/2\frac{1}{{{c^2}}}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}

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