Question
Physics Question on Electromagnetic waves
When two sinusoidal waves moving at right angle to each other superimpose, they produce
A
beats
B
interference
C
stationary waves
D
Lissajous figure
Answer
Lissajous figure
Explanation
Solution
If two SHMs act in perpendicular directions, then their resultant motion is in the form of a straight line or a circle or a parabola etc, depending on the frequency ratio of the two SHMs and their initial phase difference. These figures are Lissajous figures.