Determining wave frequency from a graph
-
Upload
cheesenuggett -
Category
Technology
-
view
21.659 -
download
0
Transcript of Determining wave frequency from a graph
![Page 1: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/1.jpg)
Determining wave frequency from a graph
![Page 2: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/2.jpg)
f
• Frequency = #of cycles/time
• Measured in Hertz (Hz)
![Page 3: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/3.jpg)
• 1 cycle = 1 full wave to repeat itself
![Page 4: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/4.jpg)
3 1 2 4 5 6 7 8 9 10 11 12
Time in seconds
3 cycles
![Page 5: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/5.jpg)
from 0 to 12 seconds
3 1 2 4 5 6 7 8 9 10 11 12
Time in seconds
0
![Page 6: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/6.jpg)
f=3 /12 s = ¼ Hz
3 1 2 4 5 6 7 8 9 10 11 12
Time in seconds
![Page 7: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/7.jpg)
• Or determine the time for 1 full wave cycle
![Page 8: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/8.jpg)
1 cycle in 4 seconds= ¼ Hz
3 1 2 5 6 7 8 9 10 11 12
Time in seconds
0 4
![Page 9: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/9.jpg)
• Period symbol T
• The time for 1 cycle
![Page 10: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/10.jpg)
The period for 1 wave is 4 seconds T=4
3 1 2 4 5 6 7 8 9 10 11 12
Time in seconds
![Page 11: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/11.jpg)
What is the frequency?
0 2 4 6 8 10 12 14 16 18 20
Time in seconds
22 24
![Page 12: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/12.jpg)
?
0 2 4 6 8 10 12 14 16 18 20
Time in seconds
22 24
3 cycles 0 to 24 seconds
![Page 13: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/13.jpg)
0 2 4 6 8 10 12 14 16 18 20
Time in seconds
22 24
3 cycles 0 to 24 seconds3/24 s= 1/8 Hz
![Page 14: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/14.jpg)
OR
• Frequency – 1 cycle in x seconds
![Page 15: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/15.jpg)
f=1 cycle in 8 seconds= 1/8 Hz
0 2 4 6 8 10 12 14 16 18 20
Time in seconds
22 24
![Page 16: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/16.jpg)
![Page 17: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/17.jpg)
• On a piece of paper number 1 through 3 and determine the frequency of the following waves.
![Page 18: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/18.jpg)
#1 f= ?
0 1 2 3 4 5 6 7 8 9 10 11 12
Time seconds
![Page 19: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/19.jpg)
#2 f= ?
Time seconds
0 2 4 6 8 10 12 14 16 18 20 22 22 24 26
![Page 20: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/20.jpg)
#3 f = ?
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70
Time seconds
![Page 21: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/21.jpg)
• Check your answers
![Page 22: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/22.jpg)
#1 f= 1/8 Hz
0 1 2 3 4 5 6 7 9 10 11 12
Time seconds
8
![Page 23: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/23.jpg)
#2 f= 1/8 Hz
Time seconds
0 2 4 6 10 12 14 16 18 20 22 22 24 268
![Page 24: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/24.jpg)
#3 f = 1/20 Hz
0 5 10 15 25 30 35 40 45 50 55 60 65 70
Time seconds
20
![Page 25: Determining wave frequency from a graph](https://reader033.fdocuments.in/reader033/viewer/2022052116/5598bc5b1a28abbc4a8b4860/html5/thumbnails/25.jpg)