Basics
What is any disturbance that transmits energy through matter or empty space?
A wave
What is the highest point of a transverse wave?
Crest
What is the maximum distance the particles of a wave will vibrate away from the rest position?
Amplitude
What is the term for the bouncing back of a wave when it comes in contact with an object?
Reflection
What is the only way to change the speed of a wave?
Change the medium.
What type of wave can be transverse, longitudinal, or surface waves and needs a medium?
Mechanical wave
What is the lowest point on a transverse wave?
Trough
What is the term for the time it takes for a wave to complete one cycle?
Period
What is the term for the bending of a wave as it passes through a different medium?
Refraction
Sound waves are an example of what type of wave? Must have both.
Longitudinal mechanical wave.
What is the type of waves where the particles vibrate parallel to the direction of the wave?
Longitudinal wave
What is the distance from crest to crest, or trough to trough, known as?
Wavelength
What is the term for the number of waves produced in a certain amount of time?
Frequency
What is the term for the bending of a wave as it passes through an opening or around a barrier?
Diffraction
Light waves are an example of what type of wave? Must have both.
Transverse electromagnetic wave.
What is the type of wave where the particles vibrate perpendicular to the direction of the wave?
Transverse wave
What is the name for the area in a longitudinal wave where the particles are crowded together?
Compression
You watch the waves at the beach crash on the pier. You count 10 waves in 20 seconds. What is the frequency and period of a wave?
Frequency = 0.5 Hz
Period = 2 seconds
What is the term for the vibration of an object due to it absorbing energy in its natural frequency?
Resonance
The apparent change in frequency of a wave due to the ____ of the source of the wave relative to the observer is known as the ___ ___.
Movement; Doppler Effect.
What is the type of wave where the particles vibrate in a circular path at the surface of a medium in the direction of the wave?
Surface wave
What is the name for the area in a longitudinal wave where the particles are spread apart?
Rarefaction
DOUBLE JEOPARDY
What is the frequency and wave speed of a wave that has a wavelength of 7m and completes 1 cycle in 2 seconds? (see board for equations)
Frequency = 0.5 Hz
Wave speed = 3.5 m/s
DOUBLE JEOPRADY
What is the term for the combination of two waves that results in a larger wave? A smaller wave?
Constructive interference.
Destructive interference.
Regardless of the speed of the source or observer, the speed of light is ____ and represented by the symbol __ in a vacuum.
Constant; c.