1.

    What are the dimensions of Planck's constant?

    A

    [MLT1][MLT^{-1}]

    B

    [ML2T1][ML^2T^{-1}]

    C

    [MLT2][MLT^{-2}]

    D

    [ML2T2][ML^2T^{-2}]

    Question Tags

    Related Questions

    1.

    The dimensions of coefficient of viscosity are:

    A

    [MLT1][MLT^{-1}]

    B

    [ML1T1][ML^{-1}T^{-1}]

    C

    [MLT2][MLT^{-2}]

    D

    [ML1T2][ML^{-1}T^{-2}]

    Question Tags

    2.

    If I is the moment of inertia and ω\omega  is the angular velocity, what is the dimensional formula of rotational kinetic energy 12Iω2?\frac{1}{2}I{\omega ^2}?

    A

    [ML2T1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 1}}} \right]

    B

    [M2L1T2]\left[ {{{\rm{M}}^2}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}} \right]

    C

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

    D

    [M2L1T2]\left[ {{{\rm{M}}^2}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}} \right]

    Question Tags

    4.

    If the velocity of light cc, gravitational constant GG, and Planck's constant hh are chosen as fundamental units, then the dimensions of mass in this system are:

    A

    [c1/2G1/2h1/2][c^{1/2}G^{-1/2}h^{1/2}]

    B

    [c1/2G1/2h1/2][c^{-1/2}G^{1/2}h^{1/2}]

    C

    [c1/2G1/2h1/2][c^{1/2}G^{1/2}h^{-1/2}]

    D

    [c1/2G1/2h1/2][c^{-1/2}G^{-1/2}h^{-1/2}]

    Question Tags

    8.

    If the force is given by F=at+bt2F = at + b{t^2} with t't' as time. The dimensions of aa and bb are

    A

    MLT4,MLT2ML{T^{ - 4}},ML{T^{ - 2}}

    B

    MLT3,MLT4ML{T^{ - 3}},ML{T^{ - 4}}

    C

    ML2T3,ML2T2M{L^2}{T^{ - 3}},M{L^2}{T^{ - 2}}

    D

    ML2T3,ML3T4M{L^2}{T^{ - 3}},M{L^3}{T^{ - 4}}

    Question Tags

    company logo