Related Questions

    1.

    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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    2.

    Dimensional formula for torque is

    A

    L2MT2{L^2}M{T^{ - 2}}

    B

    L1MT2{L^{ - 1}}M{T^{ - 2}}

    C

    L2MT3{L^2}M{T^{ - 3}}

    D

    LMT2LM{T^{ - 2}}

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    3.

    The dimensional formula for areal velocity is

    A

    [M0L2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{\rm{T}}} \right]

    B

    [M0L2T1]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 1}}} \right]

    C

    [M0L2T1]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]

    D

    [M0L2T]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{\rm{T}}} \right]

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    7.

    The dimensional formula of magnetic permeability is

    A

    [M0L1T]\left[ {{{\rm{M}}^0}{{\rm{L}}^{ - 1}}{\rm{T}}} \right]

    B

    [M0L2T1]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]

    C

    [M0L2T1A2]\left[ {{{\rm{M}}^0}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}{{\rm{A}}^2}} \right]

    D

    [MLT2A2]\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 2}}} \right]

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