Summative Test in Physics 1 - Module 1

it is made up of a number and unit.

• measurement

• metric system

• basic units

• unit prefixes

it constitutes units based on power of 10 which makes it preferred system to be used in science

• measurement

• metric system

• basic units

• unit prefixes

the smallest marked division in the measuring instrument

• uncertain digits

• least count

• unit equality

• dimensional analysis

it refers to the closeness of a measured value to a standard or known value

• precision

• least count

• unit equality

• accuracy

it refers to the closeness of two or more measurements to each other

• precision

• least count

• unit equality

• accuracy

Give the corresponding factor of the given prefix:

Mega (M)

• 10^3

• 10^6

• 10^-6

• 10^-3

Give the corresponding value of the given prefix:

nano (n)

• 10^6

• 10^-9

• 10^-3

• 10^2

 $450cm^3$  = ____________________mℓ

Challenging Question:

1 cm² = _____m²

• 0.1

• 0.01

• 0.001

• 0.0001

85 dm = _____________________ m

• 0.85

• 8.5

• 850

• 8,500