Properties of Waves
This is the distance from one crest to the next crest.
Wavelength
This part of a sound wave is where particles are close together
Compression
What is refraction?
This happens when light bends as it passes from air into water.
These are the only electromagnetic waves humans can see.
Visible light
A black T-shirt becomes hotter than a white T-shirt when left in the sun because it takes in more light energy. This process is called...
Light absorption
This is how high a wave is from its resting position.
Amplitude
How is sound wave different from light wave?
Sound waves needs to travel through matter, but light does not need to travel through matter.
which color of visible light has the longest wavelength?
Red
These waves are used in hospitals to look at bones.
X-rays
The range of colour visible to the human eye.
Color spectrum
What is frequency?
This tells how many waves pass a point in one second.
why there is no sound in outer space?
Because sound needs a medium to travel and there is a vacuum in outer space.
What is dispersion?
This happens when white light passes through a prism and separates into colors.
These waves have the shortest wavelength and the most energy.
Gamma rays
The bouncing back of light when it hits a surface.
Reflection
A wave transfers this, but not matter.
Energy
Sounds are created by this
Vibration
Unlike sound waves, light waves are this type of wave.
Transverse wave
Put these in order from longest to shortest wavelength: visible light, X-rays, radio waves.
Radio waves → visible light → X-rays
A student shines white light onto a mirror, then through a prism. First the light bounces back, then it separates into colors.
Name both processes in order.
Reflection and dispersion.
A wave which moves, or oscillates, in the same
direction as the energy it is transferring.
Longitudinal
How low or high a sound is.
Pitch
The process of energy being transferred to a material by a wave.
Absorption
Why do some electromagnetic waves have more energy than others?
The main pattern observed in the electromagnetic spectrum is that waves with shorter wavelengths and higher frequencies have higher energy. For a wave of a given wavelength, amplitude is also related to energy. So a visible light wave with a higher amplitude would have greater energy and be observed to have a higher intensity.
A clean window allows sunlight to pass through it and brighten the room. This is an example of this wave behavior.
Transmittance