Wave Equation
Interference
Anatomy of a Wave
Sound
EM Waves
100
If a wave has a wavelength of 2m and a frequency of 3Hz, what is its speed? (must include units!!)
6 m/s
100
When two waves add together to make a larger wave it is called _____________.
Constructive interference
100
What is shown by the small arrow in the picture?
Amplitude
100
When a sound gets higher pitched the __________ of the sound wave goes up.
Frequency
100
What is the EM wave that our eyes are sensitive to?
Visible light
200
If a wave is traveling at 12 m/s and has a wavelength of 4m, what is its frequency? (include units!!)
3Hz
200
When two waves cancel each other out it is called _______________.
Destructive interference
200
What is show by the large arrow in the picture?
Wavelength
200
Sound is a __________ wave, meaning the particles of the medium travel in the same plane as the wave itself.
Longitudinal
200
What is the highest frequency EM wave?
Gamma Ray
300
If a wave has a speed of 20m/s and a frequency 0.5Hz, what is its wavelength? (include units)))
40m
300
Noise cancelling headphones are a good example of utilizing _____________ because they make the opposite sound wave of whatever they detect from outside the headphones.
Destructive interference
300
A wave where the particles of the medium travel in a plane perpendicular to the direction of the wave is called a ________ wave.
Transverse
300
When the amplitude of a sound wave is decreased the sound wave gets __________.
Quieter
300
What is the longest wavelength EM wave?
Radio Wave
400
If a light wave increases its frequency by a factor of 2, it would have to decrease its wavelength by ________.
Half
400
When you find the resonant frequency of an object or space it creates _______________, causing a sound to become louder at that particular frequency.
Constructive interference
400
The _______ is where a wave is furthest above the normal line in the middle, whereas the _______ is where the wave is furthest below the normal. (2 word answer)
Crest and trough
400
The ________ of the medium of a sound wave has a large impact on its speed
Density
400
Because of the speed of light and the nature of the wave equation, when the frequency of light goes up, the __________ of light must go down proportionally.
Wavelength