Answer #221

Here is the sample Lissajous figure with its reference graphs:

(1)

Here are the Lissajous figures with their reference graphs (Notice that there are two possible reference graphs for Figure 4; it is impossible to tell the direction that the figure is moving from a fixed pattern!):

	(2)
	(3)
(4)

Here are the reference graphs with their Lissajous figures:

(5)
(6)
(7)

An interesting effect can be obtained using the oscilloscope in a mode in which it produces a phosphorescent delay while the phase of one of the component waves is continually changed. Click your mouse here for mpg#1 (f_y = 2f_x) or here for mpg#2 (3f_y = 2f_x) showing this effect.

Archive 12

Question of the Week

Outreach Index Page

Lecture-Demonstration Home Page

For questions and comments regarding the Question of the Week contact Dr. Richard E. Berg by e-mail or using phone number or regular mail address given on the Lecture-Demonstration Home Page.