C01 Physical Quantity, Units and Measurement

Physical quantities are quantities that consists of a numerical (a) __________ and an (b) ___________ .

What is a base quantity?

• It is a physical quantity that is not defined in terms of other quantities, but is used to define other quantities.

• It is a unit of measurement.

• It is a physical quantity that is defined in terms of other quantities.

• It is a mathematical equation,

Which of the following is not a base quantity?

• length

• Force

• mass

• temperature

Which of the following is not a derived quantity?

• speed

• density

• volume

• current

Which of the following represents the prefix for 10^-9?

• tera

• micro

• nano

• mega

Which of the following represents the prefix for 10¹²?

• giga

• tera

• milli

• deci

Which of the following represents the prefix for 10^-1?

• centi

• kilo

• deci

• micro

Which of the following represents the prefix for 10⁶?

• giga

• micro

• nano

• mega

Which of the following represents the prefix for 10^-3?

• micro

• kilo

• milli

• centi

• 0.000003 g

• 0.003 g

• 0.3 g

• 3 g