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Nat 5 Physics - EM spectrum

Total questions: 37

Worksheet time: 12mins

Name
Class
Date
1.

What speed do all parts of the EM spectrum travel?

a)

3x108 ms-1

b)

2x108 ms-1

c)

340 ms-1

d)

300 000 ms-1

2.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
3.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
4.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
5.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
6.
Which of the following electromagnetic waves is given off as heat? 
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
7.

Cell phones and televisions use this type of EM wave. It has the longest wavelength with the lowest frequency.

a)

radio wave

b)

tv wave

c)

gamma wave

d)

ultraviolet wave

8.
Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.
a)
radio wave
b)
tv wave
c)
Gamma wave
d)
ultra violet
9.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer? 
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
microwaves
10.
These are the waves that are used to penetrate solids and are used to create medical images.
a)
visible light
b)
gamma rays
c)
x rays
d)
microwaves
11.
The distance between one point of a wave to the same point on the next wave.
a)
frequency
b)
wavelength
c)
amplitude
d)
crest
12.
The highest point of  a transverse wave
a)
crest
b)
trough
c)
amplitude
d)
wavelength
13.
The lowest point of  a transverse wave
a)
crest
b)
trough
c)
amplitude
d)
wavelength
14.
The type of wave with the shortest wavelength and highest frequency.  This type of wave is extremely harmful.
a)
radio
b)
infrared
c)
gamma
d)
x ray
15.
The type of EM wave that is used to cook food.  It has a higher frequency than radio waves.
a)
radio
b)
microwave
c)
gamma
d)
visible light
16.
This color has the shortest wavelength
a)
Indigo
b)
red
c)
Yellow
d)
violet
17.
Light waves travel fastest in ________ 
a)
solid
b)
liquid
c)
gas
d)
vacuum
18.
Which type of radiation has a frequency closest to 105?
a)
Radio
b)
Infrared
c)
Ultraviolet
d)
X-Ray
19.
Which type of electromagnetic radiation has a wavelength near 10-8?
a)
Microwave
b)
Infrared
c)
Visible
d)
Ultraviolet
20.
Which of the following types of radiation has the shortest wavelength and the highest frequency?
a)
Radio Waves
b)
Infrared
c)
Visible
d)
X-Rays
21.
Which of the following types of electromagnetic radiation has a wavelength near 10-5?
a)
Radio
b)
Microwave
c)
Infrared
d)
Visible 
22.

Which has the longest wavelength?

a)

Gamma Rays

b)

Visible Light

c)

Microwaves

d)

Radiowaves

23.

Which has the highest frequency?

a)

Gamma Rays

b)

Visible Light

c)

Microwaves

d)

Radiowaves

24.

Which of the following could be used as a detector for radio waves?

a)

aerial

b)

thermistor

c)

photographic file

d)

our retinas

25.

Which of the following could be used as a detector for microwaves?

a)

aerial

b)

thermistor

c)

water

d)

our retinas

26.

Which of the following could be used as a detector for infrared radiation?

a)

aerial

b)

thermistor

c)

water

d)

our retinas

27.

Which of the following could be used as a detector for visible light?

a)

aerial

b)

thermistor

c)

water

d)

our retinas

28.

Which of the following could be used as a detector for ultraviolet radiation?

a)

aerial

b)

thermistor

c)

fluorescent materials

d)

our retinas

29.

Which of the following could be used as a detector for x-rays?

a)

photographic film

b)

thermistor

c)

fluorescent materials

d)

our retinas

30.

Which of the following could be used as a detector for gamma radiation?

a)

photographic film

b)

thermistor

c)

fluorescent materials

d)

Geiger-Muller tube

31.

Which of the following could be a source of radio waves?

a)

radio mast

b)

magnetron

c)

hot objects

d)

LED's

32.

Which of the following could be a source of microwave radiation?

a)

radio mast

b)

magnetron

c)

hot objects

d)

LED's

33.

Which of the following could be a source of infrared radiation?

a)

radio mast

b)

magnetron

c)

hot objects

d)

LED's

34.

Which of the following could be a source of visible light?

a)

radio mast

b)

magnetron

c)

hot objects

d)

LED's

35.

Which of the following could be a source of ultraviolet radiation?

a)

radio mast

b)

the sun

c)

hot objects

d)

aerials

36.

Which of the following could be a source of x-ray radiation?

a)

a collision between high energy electrons and a metal target

b)

lasers

c)

high-speed collisions

d)

mobile phones

37.

Which of the following could be a source of gamma radiation?

a)

a collision between high energy electrons and a metal target

b)

lasers

c)

high-speed collisions

d)

radioactive substances

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