Related Questions

    1.

    The unit of Wien’s constant b is

    A

    Wm2K4{\rm{W}}{{\rm{m}}^{ - 2}}{{\rm{K}}^{ - 4}}

    B

    m1K1{{\rm{m}}^{ - 1}}{{\rm{K}}^{ - 1}}

    C

    Wm2{\rm{W}}{{\rm{m}}^2}

    D

    MK

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    4.

    If C is the capacitance and V is the potential, the dimensional formula for CV2C{V^2} is

    A

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

    B

    [ML2T3]\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 3}}} \right]

    C

    [ML2  T2]\left[ {{\rm{M}}{{\rm{L}}^2}{\rm{\;}}{{\rm{T}}^{ - 2}}} \right]

    D

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

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    6.

    The dimensions of RL\frac{R}{L} are

    [here, R=electric resistance, L=self inductance]

    A

    [T2]\left[ {{{\rm{T}}^{ - 2}}} \right]

    B

    [T1]\left[ {{{\rm{T}}^{ - 1}}} \right]

    C

    [ML1]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}} \right]

    D

    [T]\left[ T \right]

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    8.

    The dimensions of emf in MKS is

    A

    [ML1T2Q2]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 2}}} \right]

    B

    [ML2T2Q2]\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 2}}} \right]

    C

    [MLT2Q1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 1}}} \right]

    D

    [ML2T2Q1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 1}}} \right]

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    9.

    Dimensions of frequency are

    A

    M0L1T0{M^0}{L^{ - 1}}{T^0}

    B

    M0L0T1{M^0}{L^0}{T^{ - 1}}

    C

    M0L0T{M^0}{L^0}T

    D

    MT2M{T^{ - 2}}

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    10.

    The dimensions of emf in MKS is

    A

    [ML1T2Q2]\left[ {{\rm{M}}{{\rm{L}}^{ - 1}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 2}}} \right]

    B

    [ML2T2Q2]\left[ {{\rm{M}}{{\rm{L}}^{ - 2}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 2}}} \right]

    C

    [MLT2Q1]\left[ {{\rm{ML}}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 1}}} \right]

    D

    [ML2T2Q1]\left[ {{\rm{M}}{{\rm{L}}^2}{{\rm{T}}^{ - 2}}{{\rm{Q}}^{ - 1}}} \right]

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