What does this diagram depict?

With reference to below figure answer the following questions: What does this figure depict ?

Study the diagram and answer the following questions: What does this diagrams shows? Name the step C.

What is a phase diagram?

How does a charge q oscillating at certain frequency produce electromagnetic waves?Sketch a chematic deiagram depicting elecric and magnetic fields for an elctromagnetic wave propagating alng the Z-direction.

What does the above figure depict?

What does the above figure depict?