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    4.

    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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    7.

    Dimensional formula for angular momentum is

    A

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

    B

    ML2  T1M{L^2}\;{T^{ - 1}}

    C

    MLT1ML{T^{ - 1}}

    D

    M0L2T2{M^0}{L^2}{T^{ - 2}}

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    8.

    The dimensional formula of universal gas constant is

    A

    [ML2T2heta1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{heta }}^{ - 1}}} \right]

    B

    [M2LT2heta]\left[ {{{\rm{M}}^2}{\rm{L}}{{\rm{T}}^{ - 2}}{\rm{heta }}} \right]

    C

    [ML3T1heta1]\left[ {{\rm{M}}{{\rm{L}}^3}{{\rm{T}}^{ - 1}}{{\rm{heta }}^{ - 1}}} \right]

    D

    None of these

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    9.

    The dimensional formula for impulse is

    A

    [MLT1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 1}}} \right]

    B

    [ML1T]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{\rm{T}}} \right]

    C

    [M1LT1]\left[ {{{\rm{M}}^{ - 1}}{\rm{L}}{{\rm{T}}^{ - 1}}} \right]

    D

    [ML1T1]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 1}}} \right]

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