3C_3F_Measurement1

Which is not a physical quantity?

• time

• colour

• length

• temperature

All physical quantities are represented by a ____________ and a unit.

• direction

• colour

• magnitude

• symbol

Which is the S.I. unit of temperature?

• Kelvin

• Celsius

• Fahrenheit

• Centigrade

Which is a derived quantity?

• volume

• time

• =length

• mass

Which prefix is used to represent very small magnitudes?

• kilo

• mega

• nano

• giga

Which prefix represents 10⁹?

• mega

• giga

• milli

• nano

Which of the following represents the shortest time?

• 1 s

• 100 ms

• 10 000 μs

• 1 000 000 ns

The picture shows an electronic balance. It is used to measure _________.

• weight

• pressure

• force

• mass