Wave Properties
What is the height of a wave from the rest position (Line of origin) called?
Crest
Speed
_________________
wavelength × frequency
What type of wave lets us see color?
Visible light
What kind of wave is light: mechanical or electromagnetic?
Electromagnetic
What property of a wave measures how tall it is from rest to crest or trough?
Amplitude
A wave has a wavelength of 3 m and a frequency of 5 Hz. What’s the speed?
15 m/s
When light hits a black object, is it absorbed or reflected?
It is absorbed.
This wave type has the lowest energy and longest wavelength.
Gamma Rays
Infrared
X-Rays
Radio Waves
Ultraviolet
Visible Light
Microwaves
Radio waves
What is the distance between two crests or troughs called?
Wavelength
If the speed is 60 m/s and the frequency is 10 Hz, what is the wavelength?
6 meters
Why do we see a green leaf as green?
It reflects green light and absorbs other colors.
As you go from radio to gamma rays, what happens to the frequency and energy?
This increases frequency and energy
How does increasing amplitude affect wave energy?
Greater amplitude means more energy.
Two waves travel at the same speed. One has a longer wavelength. Which has the lower frequency?
The one with the longer wavelength.
If the color red has the longest wavelength when looking at the visible color spectrum, what has the shortest?
Violet or purple
These two parts of the EM spectrum can be used to see inside the body.
Radio Waves
Microwaves
Infrared
Visible Light
Ultraviolet
X-Rays
Gamma Rays
X-rays and gamma rays
Name all the main wave properties. (there are 5)
Amplitude, wavelength, frequency, and speed, line of origin
What is the unit for frequency?
Hertz (Hz)
Frequency and __________determine the color of light?
wavelength
These rays can damage skin cells and cause sunburn.
Ultraviolet rays