I’ve seen one multiple educational videos that draw light as two orthogonal waves traversing through space. What is that trying to represent?What exactly is going up and down?
Furthermore, why do people often make the analogy that light acts like a ripple in a pond?
In: Physics
The analogy of ripples in a pond is bc thats just how waves behave. Light is an electromagnetic wave, traveling through space. The important difference is that light does not need a medium to travel. In a pond, the waves are movement of the water. Light is just a wave itself, not a wavey motion of any medium. Thats why light can travel through vacuum.
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