Impacts
Mechanical waves are created when a source of energy causes a medium to
vibrate
Waves that require a medium through which to travel are called electromagnetic waves. true or false
false
The lowest point of a transverse wave is called a ____________________.
trough
Mechanical waves are classified according to
how they move
Surface waves combine the properties of transverse and longitudinal waves so that the particles in the wave move with a(n) up-and-down motion. true or false
false
Waves that move the particles of the medium at a right angle(up and down) to the direction in which the waves are traveling are called
transverse waves
The distance between two corresponding parts of a wave is the wave’s
wavelength
Polarized light consists of waves that vibrate in one direction only. true or false
true
The more ____________________ a mechanical wave has, the greater its amplitude.
energy
Electromagnetic waves can transfer energy without a(n)
medium
The maximum distance that the particles of a medium move from the rest position is the
amplitude
The speed of a wave is its wavelength multiplied by its
frequency
As the frequency of a wave traveling at constant speed increases, its ____________________decreases.
wavelength
Transverse and longitudinal waves combine to form what type of wave?
surface waves
In a longitudinal wave moving along a spring, areas where the coils are farthest apart are called ____________________.
rarefraction
Why do you see lightning from a distant storm before you hear thunder?
light travels faster than sound.
Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called
Longitudinal Waves
In the phenomenon known as the ____________________ effect, electric current will flow when light shines on certain substances.
photoelectric