Waves Flashcards
Medium
Any substance that a wave moves through
Mechanical wave
Waves that transfer energy through matter
Transverse waves
Direction in which the wave travels is perpendicular
Longitudinal waves
Wave travels in the same direction as the disturbance
Crest
Highest point of the wave. (hill)
Trough
Lowest point of a wave. (valley)
Amplitude
Distance between a line through the middle of a wave and a crest or trough
Wavelength
Distance from one wave crest to the very next wave crest
Frequency
Number of waves passing a fixed point in a certain amount of time
Reflection
Bouncing back of a wave after it strikes a barrier
Refraction
Bending of a wave as it enters a new medium at an angle other than 90 degrees
Diffraction
Spreading out of waves through an opening or around the edge of an obstacle
Interference
The meeting or combining of waves
Electromagnetic spectrum
Range of all EM frequencies
Radio waves
EM waves that have the largest wavelengths,lowest frequencies,and lowest energies