WorksheetsDigital and Analog Communication
Total questions: 30
Worksheet time: 29mins
The Law of Reflection says that the angle of incidence is ___________________________ the angle of reflection.
equal to
more than
less than
The Law of Refraction says that as the angle of incidence increases, the difference between the angle of incidence and the angle of refraction _________________________.
decreases
increases
stays the same
If an angle of incidence is 15 degrees, what is the angle of reflection?
30
25
15
50
If the angle of incidence is 34 degrees, what is the angle of reflection?
86
34
15
50
If the angle of incidence is 76 degrees, what is the angle of reflection?
15
50
34
76
If the angle of incidence is 10, which is most likely the angle of refraction: 9, 76, or 90?
9
76
90
If the angle of incidence is 80, which is most likely the angle of refraction: 15, 50, or 76?
15
50
76
A wave is reflected by the material it hits when it ______________________ back.
bends
bounces
rotates
A wave is refracted when it goes between two materials causing it to ______________.
rotate
bend
reflect
What is happening in this image?
Reflection
Refraction
Total Internal Reflection
What is happening in this image?
Refraction
Reflection
What happens when a wave stops refracting at a certain angle and only reflects?
Reflection
Refraction
Total Internal Reflection
Total Internal Refraction
What material uses total internal reflection to send waves through cables?
Copper Fibers
Optic Fibers
Aluminum Fibers
Optical Illusions
waves with limited values that are computerized and easier to work with
digital
analog
continuous waves with more exact values that are real life and harder to work with
digital
analog
clock with numbers only, regular light switch, volume control buttons, etc.
digital examples
analog examples
clock with hands, dimmer light switch, volume control nob, etc.
digital examples
analog examples
What kind of wave is shown in the image?
digital
analog
What kind of wave is shown in this image?
Digital
Analog
What should be increased to make information being sent through digital waves flow more continuously?
Sampling
Amplitude
Wavelength
Which letter is this: 01100
J
L
F
M
Which letter is this: 10000
M
P
C
J
Which letter is this: 00111
N
C
G
F
Which letter is this: 11010
G
P
R
Z
Which letter is this: 00001
I
E
A
O
Which letter is this: 01000
J
H
M
P
Which letter is this: 00101
A
E
I
O
Which letter is this: 10010
S
R
A
C
Which letter is this: 00110
Q
B
F
R
Which letter is this: 10100
M
W
T
G
