Objective question

The number of basic unit in the SI system is

• two

• five

• seven

The SI unit of mass is

• gram

• kilogram

• pound

The light-year is a unit of

• length

• time

• mass

One centimetre is equal to

• 10 to the power -1 mm

• 10 to the power 2 mm

• 10 to the power 10 mm

The unit litre is the unit of

• mass

• volume

• weight

An angstroms measures

• temperature

• distance

• angle

The SI unit is just the modified form of the

• MKS system

• CGS system

• FPS system

The unit of length used by particle physicists is

• micro meter

• milimeter

• femtometre

Electronic balance can be used to measure

• time

• mass

• volume

Digital stop watches can measure up to

• 0.01s

• 0.1s

• 0.001s