Related Questions

    1.

    Length is measured in metre and time in second as usual. But a new unit of mass is so chosen that G=1. This new unit of mass is equal to

    A

    1.5imes107kg1.5 imes {10^7}kg

    B

    1.5imes1010kg1.5 imes {10^{10}}kg

    C

    6.67imes1011kg6.67 imes {10^{ - 11}}kg

    D

    6.67imes108kg6.67 imes {10^{ - 8}}\,kg

    Question Tags

    2.

    Universal time is based on

    A

    Rotation of earth on its axis

    B

    Oscillations of quartz crystal

    C

    Vibrations of cesium atom

    D

    Earth’s orbital motion around the sun

    Question Tags

    3.

    The SI unit of electrochemical equivalent is

    A

    Kg C

    B

    Ckg1{\rm{C}}\,{\rm{k}}{{\rm{g}}^{ - 1}}

    C

    KgC1{\rm{Kg}}\,{{\rm{C}}^{ - 1}}

    D

    kg2C1{\rm{k}}{{\rm{g}}^2}{{\rm{C}}^{ - 1}}

    Question Tags

    4.

    The unit of momentum is

    A

    N s

    B

    Ns1{\rm{N}}{{\rm{s}}^{ - 1}}

    C

    N m

    D

    N  m1{\rm{N\;}}{{\rm{m}}^{ - 1}}

    Question Tags

    7.

    The surface tension of a liquid is 70 dyne/cm, in MKS system value is

    A

    70  N/m70\;N/m

    B

    7imes102  N/m7 imes {10^{ - 2}}\;N/m

    C

    7imes103  N/m7 imes {10^3}\;N/m

    D

    7imes102  N/m7 imes {10^2}\;N/m

    Question Tags

    10.

    If 1 g cm s1=x{{\rm{s}}^{ - 1}} = x newton-second, then the number x is equal to

    A

    1imes1031 imes {10^{ - 3}}

    B

    3.6imes1033.6 imes {10^{ - 3}}

    C

    1imes1051 imes {10^{ - 5}}

    D

    6imes1046 imes {10^{ - 4}}

    Question Tags

    company logo