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Electromagnetic Waves

Total questions: 30

Worksheet time: 2hrs 33mins

Name
Class
Date
1.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
2.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
3.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
4.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
5.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
6.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
7.

Which image represents a longitudinal wave?

a)

A

b)

B

8.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
9.
This color in the visible part of the spectrum has the lowest energy. 
a)
Blue
b)
Green
c)
Red
d)
Violet
10.
One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?
a)
3.00 m/s
b)
2.50 m/s
c)
.75 m/s
d)
1.25 m/s
11.

If this wave chain represents 1 second, What is the frequency of the waves?

a)

1 Hz

b)

9 Hz

c)

3 Hz

d)

6 Hz

12.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
13.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3400 m/s
d)
34 Hz
14.
Which wave is pictured?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
15.

Which has the LONGEST wavelength and, therefore, the LOWEST frequency/energy

a)

Gamma Rays

b)

Ultraviolet

c)

Visible Light

d)

Infrared rays

16.

Wavelength and Frequency are related in that...

a)

they are always the same

b)

when one increases, the other decreases (inversely proportional)

c)

there is no correlation

d)

they both vary in an irregular pattern

17.

The _______________ determines the color of visible light.

a)

wavelength (and frequency)

b)

speed

c)

amplitude

d)

particles of the medium

18.

Put the visible light colors in order from SHORTEST wavelength (highest frequency) to longest wavelength (lowest frequency)

a)

Violet, Indigo, Blue, Green, Orange, Yellow, Red

b)

Red, Yellow, Green, Orange, Violet, Blue, Indigo

c)

Red, Orange, Yellow, Green, Blue, Indigo, Violet

19.

How far away is the wall if the echo takes 2 s to make a ROUND trip to come back to your ear and the speed of sound is 340 m/s? (HINT...only HALF of the time is needed to make the trip TO THE WALL ONLY!!!)....d=v*t

a)

170 m

b)

340 m

c)

680 m

d)

342 m

20.

Electromagnetic waves vary in

a)

the speed they travel in a vacuum.

b)

wavelength and frequency.

c)

the way they reflect.

d)

the orientation of their electric and magnetic fields.

21.

The waves with the longest wavelengths in the electromagnetic spectrum are

a)

Infrared rays.

b)

radio waves

c)

gamma rays

d)

X-rays

22.

Which color has the highest frequency?

a)

green

b)

blue

c)

red

d)

yellow

23.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
24.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
25.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
26.
Bending of waves around an object (such as through a doorway)
a)
sound
b)
diffract
c)
pitch
d)
volume
27.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
28.
The number of wavelengths that pass a point each second
a)
crest
b)
amplitude
c)
frequency
d)
pitch
29.
Which instrument measures the location of storms and how fast winds are moving, including the winds in tornadoes?
a)
Doppler Radar
b)
Weather Satelite
c)
Wind Vane
d)
Weather Balloon
30.

Some animals use this to navigate and hunt

a)

frequency

b)

ecolocation

c)

vibration

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