Units and dimensions 1

The number of base units are:

• two

• five

• seven

• nine

• ten

Which of the following is a derived quantity?

• Force

• Mass

• Length

• Time

• Temperature

The number of supplementary units are

• two

• five

• seven

• nine

• ten

Which of the following is SI base unit?

• Gram  

• Pound

• Newton

• kilogram         

• kilometer

Which one of the following is not a unit of length?

• Angstrom

• Micron

• Radian

• Light year

• Astronomical unit

Which is not a base unit in SI units?

• Kilogram

• Joule

• Coulomb

• Ampere

• Kelvin

An example of a derived unit is   

• Kilogram

• Joule

• Coulomb

• Ampere

• Kelvin

Candela is the SI unit of   

• Charge           

• Luminous intensity

• Power

• Refractive index

• Amount of substance

An alternate unit to kg m s^‑1 is

• J

• N

• J s^-1       

• N m^‑2

• N s

The SI unit of plane angle is  

• Steradian

• Radian

• Degree

• Candela

• Candela