IGCSE Physics chapter 1 Measurements and units
2 years ago
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• Question 1
30 seconds
Q.

meaning of µ (micro)

106

10-9

10-3

10-6

• Question 2
30 seconds
Q.

write 0.005 in scientific notation

5/1000

5x10-3

5x103

5 millimeters

• Question 3
30 seconds
Q.

WHAT IS A PHYSICAL QUANTITY MADE UP OF ?

A value

A unit

A value and a unit

A unit and direction

• Question 4
30 seconds
Q.

define measurement

A unit or system of measuring. The size, length, or amount of something, as established by measuring

an observation of a size of something

a estimate without a unit of measurement of what the size of something is

• Question 5
30 seconds
Q.

equation for density

mass/volume

volume/mass

mass x volume

volume x mass

• Question 6
10 seconds
Q.

SI unit for length

mm

m

cm

km

• Question 7
30 seconds
Q.

what does a micrometer have

a extra sliding scale

none of these

revolving barrel with an extra scale on it

• Question 8
30 seconds
Q.

what is the room temperature?

21

22

23

23

• Question 9
30 seconds
Q.

a pendulum takes two seconds to make a complete swing . what could one swing be called

time taken

period

change in time

time

• Question 10
30 seconds
Q.

time taken for 20 swings is 46 seconds. how much time is needed for 1 swing

0.43478

3.2

20.46s

2.3 seconds

• Question 11
30 seconds
Q.

Si unit for density

kilograms per cubic metre

grams per cubic metre

grams per cubic centimetre

kilograms per cubic centimetre

• Question 12
30 seconds
Q.

calculate volume of aluminum with mass of 5400kg and a density of 2700kg/m3

0.5m3

2m2

2m3

0.5m2

• Question 13
30 seconds
Q.

a quick method of finding the density of a liquid is to use a ....... ?

barometer

manometer

hydrometer

micrometer

• Question 14
30 seconds
Q.

when using a displacement can what is the mass of the object in it equal to

the change in liquid level in the can

the amount of liquid collected in the second beaker

the volume of liquid collected in the second beaker

none of those above

• Question 15
10 seconds
Q.

Si unit for weight

neutons

gramms

kilogramms

newtons

• Question 16
30 seconds
Q.

When you want to measure the thickness of a small block of metal accurately in cm, you would use ......... ?

Metre ruler

Micrometer screw gauge

30 cm ruler

Vernier Calipers

• Question 17
30 seconds
Q.

We take repeat reading to make sure the values are:

Accurate & reliable

Easy to measure

Always on the line of best fit

All of the above

• Question 18
30 seconds
Q.

The name of the device we use to measure force is called:

Force measurer

Newtonmeter

Newton-scale

Einstein Gauge

• Question 19
30 seconds
Q.

mN stands for:

micro-newtons

mega-newtons

mili-newtons

mini-newtons

• Question 20
30 seconds
Q.

10-2 uses which prefix?