What did Maxwell propose as the source of electromagnetic waves?

• Oscillating charges

• Moving charges

• Stationary magnets

• Static charges

What did Hertz use to demonstrate electromagnetic waves in his experiments?

• Radio waves

• Visible light

• X-rays

• Ultraviolet light

How do electromagnetic waves travel according to Maxwell's equations?

• In a circular path

• In a straight line

• Parallel to electric and magnetic fields

• Perpendicular to electric and magnetic fields

What did Michelson and Morley disprove about electromagnetic waves?

• They cannot travel in a vacuum

• They require a medium called ether

• They are longitudinal waves

• They can travel faster than light

What is the speed of electromagnetic waves in a vacuum?

• 3 * 10^12 meters per second

• 3 * 10^6 meters per second

• 3 * 10^8 meters per second

• 3 * 10^10 meters per second