Related Questions

    1.

    The SI unit of universal gas constant (R) is

    A

    Watt  K1mol1Watt\;{K^{ - 1}}mo{l^{ - 1}}

    B

    Newton  K1mol1Newton\;{K^{ - 1}}mo{l^{ - 1}}

    C

    Joule  K1mol1Joule\;{K^{ - 1}}mo{l^{ - 1}}

    D

    Erg  K1mol1Erg\;{K^{ - 1}}mo{l^{ - 1}}

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    7.

    The unit of magnetic moment is

    A

    TJ1{\rm{T}}{{\rm{J}}^{ - 1}}

    B

    JT1{\rm{J}}{{\rm{T}}^{ - 1}}

    C

    Am2{\rm{A}}{{\rm{m}}^{ - 2}}

    D

    Am1{\rm{A}}{{\rm{m}}^{ - 1}}

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    8.

    In a new system of units, unit f mass is 10 kg, unit of length is 1 km and unit of time is 1 min. The value of 1 joule in this new hypothertical system is

    A

    3.6imes1043.6{\rm{ }} imes {10^{ - 4}}\, new units

    B

    6imes1076 imes {10^7} new units

    C

    1011{10^{11}} new units

    D

    1.67imes1041.67 imes {10^4} new units

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    9.

    A calorie is a unit of heat and equal 4.2 J. Suppose we employ a system of units in which the unit of mass is α\alpha kg, the unit of length is β\beta metre and the unit of time is γ sec. In this new system. 1 calorie =

    A

    α1β2γ2{{\rm{\alpha }}^{ - 1}}{{\rm{\beta }}^{ - 2}}{{\rm{\gamma }}^2}

    B

    4.2αβ2γ24.2{\rm{\alpha }}{{\rm{\beta }}^2}{{\rm{\gamma }}^2}

    C

    αβ2γ2{\rm{\alpha }}{{\rm{\beta }}^2}{{\rm{\gamma }}^2}

    D

    4.2α1β2γ24.2{{\rm{\alpha }}^{ - 1}}{{\rm{\beta }}^{ - 2}}{{\rm{\gamma }}^2}

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