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2 cards from this section. Quick, good the night before a test.
What are electromagnetic waves?
Think about what kinds of waves can travel in space.
What is the speed of light?
This speed can be remembered by linking it to the letter 'C'.
What do electromagnetic waves consist of?
Consider the 'EM' in electromagnetic!
True or False: Electromagnetic waves require a medium to travel.
Think about how they travel in space.
An electromagnetic wave has a frequency of 5 × 10^14 Hz. Calculate its wavelength.
Remember: convert units appropriately!
Discuss the significance of electromagnetic waves in global communication systems.
Think about your daily communications and how they connect people.
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