SOLUCION - Task 1 – Prior knowledge - ELECTROMAGNETIC THEORY AND WAVES - (202087724A_2204)

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Activity

Each concept must be explained using your own words and including citations in-text.

1.   What is an electromagnetic wave?

 

2.   Parameters of electromagnetic waves.

Amplitude:

Frequency:

Period:

Wavelength:

 

3.   What is the electromagnetic spectrum?

 

4.   The following is a sinusoidal function E:

 

Where  is the amplitude of the function and  is its frequency.

Exercise: Using the first number of your identification as  and the last number of your identification (greater than zero) as , graph the function using any software like Geogebra, Symbolab or other, identify  and on the generated image.  Comment on your results.

Geogebra: https://www.geogebra.org/graphing

Symbolab: https://es.symbolab.com/graphing-calculator

 

 

Attention, for the calculations:

1.           Perform the operation on a virtual scientific calculator. *

2.           Paste the calculator image into the report.

If the image is not included, the exercise rating is 0 points.

* You can use https://www.geogebra.org/scientific

 

Geogebra Example

 

if your identification is 87654320 then A=8, f=2, then:

a.   Enter Geogebra: https://www.geogebra.org/graphing

b.   Enter your assigned function (see Figure 1): 8*sen(2*ฯ€*2*x)

Figure 1. How to Enter a Function in Geogebra

Note: The graph shows how to insert a sine function in Geogebra so that it can be graphed.

 


 

 

 

 

c.   Adjust the axes to better see Figure 2:

Figure 2. Graph and configure

 



Note: Click on the "settings button" and then "Properties".

 

Figure 3. Window Configuration

 



Note: Set the window to xmin=-0.2 xmax=1.2 ymin=-10 ymax=10.

 

 

 

 

d.   Finally, identify A and f in the graph obtained (Figure 4):

Figure 4.  Amplitude and frequency

 


Note: The graph shows that the maximum amplitude A of the wave is 8 units (A=8 units) and that the frequency f is 2 cycles from x=0 to x=1 (f=2cycle/unit).

 

References

 

 

Reference 1:

 

 

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