13228427154 | Frequency | The Rate of Oscillation. | 0 | |
13228427155 | What is another way to write hertz? | cycles/second | 1 | |
13228427156 | Phase | Where in a cycle of oscillation, waves are synchronized. | 2 | |
13228427157 | Amplitude | The maximum value of an oscillation. In mechanics this is the maximum displacement from the equilibrium line. | 3 | |
13228427158 | Period | Time it takes to complete one oscillation. | 4 | |
13228427159 | Period Formula | T = 1/f | 5 | |
13228427160 | Simple Harmonic Motion | Repetitive motion of an object that continuously reaches the same maximum displacement from the equilibrium line. | 6 | |
13228427161 | Hooke's Law formula | F = kx | 7 | |
13228427162 | Transverse Wave | A wave that's medium displaces perpendicular to the direction of propagation; the motion is perpendicular to its equilibrium line. | 8 | |
13228427163 | Longitudinal Wave | A wave that's medium displaces parallel to the direction of propagation; the motion is parallel to it's equilibrium line | 9 | |
13228427164 | Crest | The top of a wave. | 10 | |
13228427165 | Trough | The bottom of a wave. | 11 | |
13228427166 | Damping | the tendency of vibrating object to lose or to dissipate its energy over time. | 12 | |
13228427167 | Light | An example of an electromagnetic wave; moves as a transverse wave | 13 | |
13228427168 | Sound | An example of a longitudinal wave; a pressurized mechanical wave. | 14 | |
13228427169 | Electromagnetic Wave | Type of wave that can travel through a vacuum and does not require a medium to go from point A to point B. | 15 | |
13228427170 | Mechanical Wave | Type of wave that can not travel through a vacuum and does require a medium to get from point A to point B. | 16 | |
13228427171 | Compression | High density/concentration of energy on a longitudinal wave | 17 | |
13228427172 | Rarefaction | Low density/concentration of energy on a longitudinal wave | 18 | |
13228427173 | Interference | When two waves interact with each other. | 19 | |
13228427174 | Constructive Interference | Interference of two waves with displacement in the same direction. This creates a "single larger" wave. | 20 | |
13228427175 | Destructive Interference | Interference of two waves with displacement in the opposite directions. This interference counteracts one another and can create a "single smaller" or even "nonexistent" appearing wave. | 21 | |
13228427176 | Standing wave | When interference occurs in such a way that there appears to be a wave not moving | 22 | |
13228427177 | Node | A position on a standing wave where there is no displacement; has zero energy | 23 | |
13228427178 | Antinodes | A position on a standing wave that represents an extreme position relative to the equilibrium line; has maximum energy | 24 | |
13228427179 | wave speed | the speed at which a wave travels | 25 | |
13228427180 | wave speed formula | wavelength x frequency | 26 | |
13228427181 | speed formula | distance/time | 27 | |
13228427182 | Wavelength | The distance between two corresponding parts of a wave | 28 | |
13228427183 | Herts (Hz) | Unit for frequency | 29 | |
13228427184 | meters/second | unit for speed | 30 | |
13228427185 | meter | unit for wavelength | 31 | |
13228427186 | wave pulse | a single bump or disturbance that is in motion | 32 | |
13228427187 | A sound's pitch | depends on frequency of the sound wave | 33 | |
13228427188 | A light's color | depends on frequency of the light wave | 34 | |
13228427189 | Decibel (dB) | unit of measurement; measures loudness / intensity | 35 | |
13228427190 | note | a specific frequency of harmonics used with sound | 36 | |
13228427191 | Harmonics | whole number multiples of the fundamental frequency | 37 | |
13228427192 | resonant frequency | The natural frequency at which standing waves are made in a particular medium; varies among mediums | 38 | |
13228427193 | Beats or beat frequency | Alternating constructive and destructive interference resulting from two slightly different frequencies in unison; determined by taking the difference of the two interfering frequencies. | 39 | |
13228427194 | Doppler effect | An observed change in the frequency of a wave when the source or observer is moving - sound wave | 40 | |
13228427195 | loudness | the intensity of sound waves, measured in decibels | 41 | |
13228427196 | Brightness | intensity of light waves, measured in candelas | 42 | |
13228427197 | fundamental frequency | the lowest frequency of vibration of a standing wave | 43 | |
13228427198 | ROYGBIV | Colors of the visible spectrum in order of wavelength and frequency. | 44 | |
13228427202 | Time Period of a Pendulum | ![]() | 45 | |
13228427203 | Time Period of a Spring | ![]() | 46 | |
13228427199 | Transparent | Allowing light to pass through; clear viewing on the other side | 47 | |
13228427200 | Translucent | permitting light to pass through, but not enough to allow clear viewing of objects on the other side | 48 | |
13228427201 | opaque | impossible to see through; preventing the passage of light | 49 | |
13228461010 | red shift | the change in the wavelength of light due to an object moving away from the observer. | 50 | |
13228467217 | Refraction | The bending of a wave as it passes at an angle from one medium to another | 51 | |
13228470912 | law of reflection | the angle of incidence is equal to the angle of reflection | 52 | |
13228477943 | red, green, blue | primary colors of light | 53 | |
13228481293 | Polarized lenses | reduce glare; allow light to enter through a single direction | 54 | |
13228490074 | fiber optics | thin glass fibers that use total internal reflection to carry light | 55 | |
13228492924 | speed of light | faster in less dense materials | 56 | |
13228498298 | speed of sound | faster in more dense materials | 57 | |
13228500514 | Diffraction | The bending and scattering of a wave as it moves around an obstacle or passes through a narrow opening | 58 | |
13228507300 | converge | to move toward one point | 59 | |
13228509467 | diverge | to vary; go in different directions from the same point | 60 | |
13228568080 | laser | light amplification by stimulated emission of radiation | 61 |
Pre-AP Waves and Oscillations Flashcards
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