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    6.

    The dimensions of permittivity ε0{\varepsilon _0} are

    A

    A2T2M1L3{A^2}{T^2}{M^{ - 1}}{L^{ - 3}}

    B

    A2T4M1L3{A^2}{T^4}{M^{ - 1}}{L^{ - 3}}

    C

    A2T4ML3{A^{ - 2}}{T^{ - 4}}M{L^3}

    D

    A2T4M1L3{A^2}{T^{ - 4}}{M^{ - 1}}{L^{ - 3}}

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    9.

    Coefficient of thermal conductivity has the dimensions

    A

    [MLT3K1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 3}}{{\rm{K}}^{ - 1}}} \right]

    B

    [ML3T3K2]\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^3}{{\rm{K}}^2}} \right]

    C

    [ML3T3K2]\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 3}}{{\rm{K}}^{ - 2}}} \right]

    D

    [M2L3T3K2]\left[ {{{\rm{M}}^2}{{\rm{L}}^3}{{\rm{T}}^{ - 3}}{{\rm{K}}^2}} \right]

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    10.

    The dimensional formula for entropy is

    A

    [MLT2K1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{K}}^{ - 1}}} \right]

    B

    [ML2T2]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}} \right]

    C

    [ML2T2K1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{K}}^{ - 1}}} \right]

    D

    [ML2T2K1]\left[ {M{L^{ - 2}}{T^{ - 2}}{K^{ - 1}}} \right]

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