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### 20 Cards in this Set

• Front
• Back
 What is a wave? A wave is rhythmic distburance that carries energy through matter or space What is a wave pulse? Single bump or disburance that travles through a medium Transverse waves A wave that vibrates perpendicular to the direction of wave motion Longitudinal wave Disturbance is in the same direction, or parallel, to the direction of wave motion (ex: liquids and gases) Surface waves waves that have characteristics of transverse and longitudinal waves Frequency number of complete oscillations it makes each second Incident wave wave that strikes the boundary reflected wave returning wave principle of superposition two or more waves can combine to form a new wave interference result of superposition of two or more waves destructive interference superposition of waves with equal but opposite amplitudes node when the pulses meet and are in the same location, and the displacement is zero constructive interference wave displacements are in the same direction, result is a wave that has an amplitude larger interference of two equal pulses destructive interference superposition of waves with equal but opposite amplitudes antinode two pulses pass through each other without changing their shapes or sizes, point of largest amplitude continuous waves a regularly repeating sequence of wave pulses standing waves a wave with stationary nodes and antinodes law of reflection angle of incidence is equal to the angle of reflection refraction change in the direction of waves at the boundary between two different media diffraction spreading of waves around the edge of a barrier, occurs whe waves meet a small obstacle