TELECOM Communication Using Cables Flashcards
0
Q
Give an example to prove the difference in speeds between sound and light
A
Thunder and lightning
1
Q
Is speed of sound or light faster in air?
A
Light
2
Q
What are waves?
A
A way of transmitting signals
3
Q
What do waves carry?
A
Energy
4
Q
Frequency equals…
A
Number of waves/time taken
5
Q
What is frequency measured in?
A
Hz
6
Q
What is wavelength?
A
The distance after which the pattern repeats its self
7
Q
Another name for wavelength is
A
Lambda
8
Q
Period is
A
The time taken to pass a point
9
Q
Amplitude
A
Amplitude is the distance from the a axis to the top of the crest
10
Q
Waves move a distance of _______ in a time equal to ________
A
Waves move a distance of one wavelength in a time equal to one period
