Waves Flashcards
When a wave travels does it move with energy?
It does not move with energy. As it travels,it does not work on anything in its path.
What is a wave
Any disturbance that transmits energy through empty space
What is a medium?
A substance through which a wave can travel.
Is a medium a solid liquid or gas?
It is all three
What is an electromagnetic wave?
It does not need a medium,
What materials can electromagnetic waves transfer through?
Air water and glass
An example of electromagnetic wave
Visible light, radio waves, x-rays, microwaves
An example of energy transfer through a medium
When a particle vibrates like a grandfather clock it’s energy passes from one particle to the next
What are transverse ways
Particles vibrate in an up and down motion
Highest point in a transverse wave?
Crest
Lowest point in a transverse wave
Trouph
An example of a transverse wave?
Electromagnetic waves for example light, radio signal, x-rays etc.
Longitudinal wave
Particles of the medium vibrate back and forth along the path that the wave moves
Rare faction
Part of the wave that is stretched apart
Compression
Part of the wave that is crowded together
Example of a longitudinal wave
Sound waves
Mechanical waves
Need a medium. they travel far this through a solid
Example of a mechanical wave
Soundwaves seismic waves and ocean waves
Wave speed
Distance traveled over time
Wave speed= wavelength x frequency
