physics two vocab chapter 14

37 terms by fuggy

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trough

any of the low points of a wave is a

destructive interference

superposition of waves with opposite amplitudes causes

wave

any rhythmic disturbance that carries energy through matter or space

standing wave

a wave that appears to be standing still is a

mechanical wave

a wave that requires a physical medium is a

wave pulse

a single bump or disturbance that travels through a medium is a

constructive interference

superposition of waves with displacements in the same direction causes

node

an unmoving point at which destructively interfering pulses meet is a

longitudinal wave

in this wave the disturbance moves parallel to the direction of motion of the wave

antinode

a point of largest displacement caused by the constructive interference of waves is called an

crest

any of the high points of a wave is a

interference

the result of any superposition of two or more waves is

surface wave

in this kind of wave the particles move in a direction that is both parallel and perpendicular to the direction of wave motion

transverse wave

in this kind of wave the particles vibrate in a direction perpendicular to the direction of motion of the wave

normal

a line that is at a right angle to a barrier is a

energy

waves typically transmit only this

longitudinal

water waves, sound waves, and waves that travel down a spring are examples of what kind of wave?

transverse

if a wave moves in a leftward direction but the particles of the medium move up and down, the wave must be a

longitudinal and transverse

a surface wave has characteristics of what other two waves?

longitudinal

sound is an example of what kind of wave

longitudinal

fluids transmit what kind of wave?

surface

waves at the top of a lake or an ocean are examples of waht kind of wave?

transverse

energy from the sun reaches earth by means of what kind of electromagnetic waves?

transverse

waves that travel down a rope

hertz

equal to one oscillation per second

source

the speed of the wave depends only on its

more

waves with larger amplitudes transmit (less or more) energy than waves with smaller amplitudes?

true

the frequency of the wave does not depend on its medium. true or false?

low

a wave of (high or low) frequency also has a long period?

shorter

the higher the frequency of a wave is, the (longer or shorter) the period is

amplitude

a wave's maximum displacement from its position of rest

4

doubling the amplitude of a wave increases the rate of the energy transfer by a factor of

period

the time it takes for the motion of an oscillator to repeat itself in generating a wave is the

frequency

the number of complete oscillations per second

hertz

frequency is measured in what?

source

both period and frequency of a wave depend only on its what?

medium

a material that carries the energy of a mechanical wave is a

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