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Mr Cash's Big EM Spectrum Quiz Flashcards | StudBud
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Mr Cash's Big EM Spectrum Quiz
Mr Cash's Big EM Spectrum Quiz
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Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
How do we detect UV?
with a thermometer
with a Geiger-counter
with a fluorescent material
with our eyes
2
You cannot use X-rays to...
detect broken bones
make a meringue
identify threats at an airport / seaport
find distant stars
3
The highest frequency EM waves are called...
Gamma
UV
Infra Red
X-rays
4
UV radiation is
not
made by...
fluorescent lamps
'black lights'
Stars
an electric heater
5
Bluetooth is a technology that uses...
Gamma rays
Light
Radio waves
Infra red
6
The primary colours of light are...
Green, yellow, blue
Blue, red, yellow
Red, blue, green
Yellow, green, blue
7
The secondary colours of light are...
Magenta, blue, yellow
Magenta, red, cyan
Yellow, red, cyan
Yellow, cyan, magenta
8
Satellite links usually use...
Infra red
Visible light
'Long Wave' radio waves
Microwaves
9
X-rays
cannot
cause...
atoms to become ions (ionisation)
cell death
frostbite
cell mutations / cancerous cells
10
Which is
not
a use of Radio waves?
Communications
Bluetooth
Lighting
Entertainment
11
Sources of x-rays do
not
include...
Brazil nuts
Stars
X-ray machines
CT scanners
12
Gamma rays are
not
used for...
preventing decay in certain foods
cancer treatment
sterilising medical instruments (eg. scalpel)
cooking
13
TV remote controls use...
Microwaves
Infra Red
Visible Light
Radio waves
14
Infra red radiation is
not
made by...
Humans
Matter at 'absolute zero' (-273OC)
Toasters
Stars
15
A device for seeing inside your body is called...
An endoscope
An oscilloscope
A microscope
A telescope
16
We can detect microwaves with...
Photographic film
A microwave receiver
A radio receiver
A Geiger counter
17
The upper atmosphere can reflect...
Short (radio) waves
X-rays
Gamma rays
Long (radio) waves
18
Microwaves can be dangerous because...
mobile phone signals harm your brain
they can cause sparks in a microwave oven
wifi signals affect plant growth
they can cause mutations in DNA
19
Which of these
is
a danger with visible light?
blindness
muscle damage
overheating
becoming too cold
20
Waves with a frequency
just above
radio waves are...
visible
UV
infra red
microwaves
21
Which of these does not detect radio waves?
a radio receiver
a Bluetooth device
a radio telescope
a radio transmitter
22
EM radiation is absorbed best by....
Shiny black surfaces
Matte black surfaces
Shiny silver surfaces
Matte silver surfaces
23
The colour with the longest wavelength is...
Violet
Green
Red
Yellow
24
Which of these
wouldn't
detect X-rays and Gamma rays?
film or digital camera
thermometer
Geiger-counter
Cloud chamber
25
Which of these is not a use of visible light?
Cooking
Communications
Heating
Generating electricity
26
Which is
not
a use of microwaves?
cooking
wifi
lighting
mobile phone links
27
Which of these cannot detect visible light?
eye / retina
telescope
digital camera / CCD
LED screen
28
One danger of gamma rays is...
they can cause cell damage / mutation
they bleach your hair
they are hot to the touch
they make holes in clothing
29
Which of these is
not
a source of light waves?
Light bulb
Fluorescent tube
The Sun
The Moon
30
Which of these
isn't
a danger with UV?
skin cancer
sunburn
wrinkling of the skin
your hair falling out
31
Which of these is
not
a use of UV?
Producing vitamin C
Producing vitamin D
Detecting fake bank notes
Sun-tanning
32
We can make radio waves by making ...
electrons oscillate in a circuit and aerial
a direct current flow in a circuit and aerial
magnetic poles repel each other
magnetic poles attract each other
33
Electrons moving from higher to lower energy levels causes emission of...
Only visible light
Radio and microwaves
All types of EM waves except gamma rays
All types of EM waves
34
Special inks glow in UV. This is called...
Flourescence
Fluorescence
Effervescence
Luminescence
35
In what way is Infra Red dangerous?
Causes cancer
Burns
Produces too much Vitamin A
It blinds you
36
Gamma rays are produced by...
Heating certain substances
Electron transitions in atoms
Changes in the nuclei of unstable atoms
A gamma machine
37
The dose of radiation does
not
depend upon...
The total amount of radiation absorbed
How harmful the type of radiation is
The length of time exposed to it
The mass of the object
38
Which of these professions is
least
likely to use Infra Red?
English teacher
Plumber / Heating engineer
Chef
Fire-fighter
39
Which EM wave has the longest wavelength?
Gamma
UV
Radio
Microwaves
40
One type of radio waves source is called...
A radio transponder
A radio transmitter
A radio recorder
A radio receiver
41
The EM wave between IR and UV is..
Radio
Visible
Microwaves
X-rays
42
Radio waves can be a danger as they...
can spread mis-information (fake news)
can cause blindness
produce burns
damage your skin
43
Light reflected by a mirror are...
Effuse
Diffuse
Specular
Ocular
44
Sources of gamma rays include...
Scalpels used in surgery
Radioactive materials
Water
Bananas
45
Which of these would not detect infra red radiation?
thermometer
burglar alarm sensor
photographic film
thermal imaging camera
