How can we help?

You can also find more resources in our Help Center.

17 terms

Chapter 4 Light, Color and Sound

STUDY
PLAY
photon
a bundle of energy the is released when an atom loses some energy
frequency
the number of waves that pass a point in a given amount of time
amplitude
the distance between a wave's mid-point and its crest or trough
transverse wave
a wave in which the crests and troughs move at right angles to the direction of the wave's travel
convex mirror
a mirror whose center section curves toward an object
concave mirror
a mirror whose center sectioin curves away from an object
refraction
the bending of a light wave as it moves from one material to another
focal point
the point at which light rays meet when reflected or refracted
laser light
light of a single wavelength with all the waves lined up
opaque
a material that does not allow light to pass through
transparent
a material that allows light to pass through so that objects on the other side can be seen
compressional waves
waves in which matter vibrates in the same direction as the energy waves traveling through it
intensity
a measure of the amount of energy in a wave
sonar
a device which uses sound waves to measure distance
music
pleasant sound with regular wave patterns
noise
sound with no regular wave pattern
octave
a musical sequence in which the top note has twice the frequency of the bottom note