Vocab
Concepts
Units
Waves
Surprise me
100
The symbol λ represents ___?___.
Wavelength
100
Waves travel fastest in a ___?___
Solid
100
The unit of measure used to express frequency is ___?___.
Hertz
100
Waves with the longest wavelength and lowest frequency are ___?___.
Radio waves
100
Tiny bundles of energy which make up light are called ___?___.
photons
200
A material through which a wave transfers energy is called ___?___
Medium
200
As the frequency increases, the wavelength ___?___.
decreases
200
Given: f=760 Hz ; λ=0.45 m ; what is the velocity?
342 m/s
200
The less dense part of a longitudinal wave is called ___?___.
Rarefaction
200
The electromagnetic waves with the shortest wavelengths are ___?___.
Gamma rays
300
The distance from the crest to the rest position of a transverse wave is called ___?___.
Amplitude
300
Refraction is caused by a wave's change in ___?___
speed
300
Given: v=65m/s ; f=15 Hz ; what is the wavelength?
4.33 m
300
What type of wave is this?
Transverse light wave.
300
The only part of the electromagnetic spectrum that can be seen is ___?___.
visible light
400
The number of wave crests that pass one place each second is called ___?___.
Frequency
400
What type of interference is it when two or more waves overlap and subtract from each other?
destructive
400
Sound intensity is measured in units called ___?___.
decibles
400
What type of wave is this?
Longitudinal sound wave
400
What is the acronym that reminds us of the order of the colors of the rainbow?
ROYGBIV
500
What is it called when a wave bends around an obstacle?
diffraction
500
How fast do sound waves travel in space compared to on Earth?
They don't - they require a medium to travel and space is a vacuum.
500
Given: λ=6 m ; v= 420 m/s ; what is the frequency?
70 Hz
500
Label the parts of the wave.
A. amplitude
B. wavelength
C. trough
D. Crest
E. Rest Point
500
Sounds below 20 Hz are called ___?___ sounds.
infrasonic