EM waves

Students will have a simple idea of electromagnetic radiation – that there are several types of radiation, similar to light, all of which travel at the same speed in empty space.

These episodes develop this picture. In particular, we start from the assertion that light is a transverse wave. How can we know? To explain this, we need to explore the idea of polarisation.

(Note that episode 314 requires students to present information about different regions of the electromagnetic spectrum. You might wish set this task early in Episode 313.)

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