P12 Flashcards
What is a wave
A wave is a means of transferring energy from one place
to another without a transfer of matter between the two
points.
How can you use waves to transfer information
(Examples)
mobile phone, radio
What is a mechanical wave
They require particles and are are vibrations that travel through a medium (a
substance)
What is a electromagnetic waves
They can all travel through a vacuum at the speed of 300000 km/s. No medium is needed
List some electromagnetic waves
Light waves,radio waves, and microwaves
List a electromagnetic wave
Light waves,radio waves, and microwaves
What is a transverse wave
The direction of oscillation of a wave is perpendicular to the direction of motion of the wave. All EM waves are transverse waves
What is a Longitudinal wave
The direction of oscillation of a wave is parallel to the direction of motion of the wave
What can mechnical waves be
Transverse or longitudinal
What are all Electro magnetic waves
Transverse
What does EM stand for
Electro magnetic
