Waves
What are the 2 categories of waves?
Mechanical and EM
What is a crest
top of the wave
What is the type of wave with the longest wavelength
Radio
Given that the frequency of a wave is 10 Hz and the speed is 80 m/s. What is its wavelength?
8 m
The speed of light is
3*108 m/s
Which type of wave doesn't require a medium
EM
Spread out area in compressional waves
Light ranges from ____________ nm to ___________ nm
400 to 700
Given the frequency of a wave is 15 Hz and the wavelength is 4 m what is the speed of the wave?
60 m/s
White is the combination of what colors
All of them
Which type of wave has rarefactions
Compressional
Wavelength is
The distance from crest to crest or trough to trough
Which type of wave has the most energy
Gamma
Given the speed of a wave is 75 m/s and the frequency is 5 Hz what is the wavelength?
15 m
We see color because
That is the frequency that is reflected into our eyes
What is a medium
Material through which waves travel
Amplitude is
Height of wave
What are the 3 primary colors
Red, blue, yellow
Given the frequency of a wave is 40 Hz and the wavelength is 2 m what is the speed of the wave?
80 m/s
If light is put through a blue filter what color light will be let through
Blue
What can EM waves travel through that mechanical waves cannot?
a vacuum
Frequency is
The number of waves that past a point in a given time
What is the doppler effect
Change in frequency of wave due to movement
Given the speed of the wave is 5 m/s and the wavelength is 2 m what is the frequency?
2.5 Hz
When red and green light are mixed what color do you get
Yellow