Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Amplitude |
Maximum displacement |
|
|
Angle of Incidence |
Angle between a ray that strikes a surface and the line perpendicular to that surface at point of contact |
|
|
Angle of Reflection |
Angle formed by the line perpendicular to a surface and the direction in which a reflected ray moves |
|
|
Converging Lens |
Lens thicker in the middle |
|
|
Diverging Lens |
Thick at the edge |
|
|
Decibel |
A dimensions unit that describes the ratio of 2 intensities of sound |
|
|
Diffraction |
A change in the direction of a wave when the wave encounters an obstacle |
|
|
Reflection |
The turning back of an electromagnetic wave at a surface |
|
|
Refraction |
The bending of a wave front as the wave front passes 2 substances |
|
|
Doppler effect |
An observed change in frequency when there is relative motion between the sources of wave and an observer |
|
|
Magnification |
Measures how large/small the image is with respect to the original objects size |
|
|
Echolocation |
Located objects by reflected sounds |
|
|
Ultrasound |
Sound or other vibrations having an ultrasonic frequency |
|
|
Electromagnetic Spectrum |
The range of wavelengths or frequencies over which electromagnetic radiation extends |
|
|
Visible Spectrum |
Portion of ES that is visible to the human eye |
|
|
Speed of Light |
The distance light travels |
|
|
Ultraviolet |
Having a wavelength shorter than that of a violet end of the visible spectrum but longer that that xray |
|
|
Unpolarized Light |
Light waves in which the vibrations occur in a single plane |
|
|
Resonance |
A phenomenon that occurs when the frequency of a force applied of a system matches the natural frequency of vibration if a system resulting I. A large amplitude of vibrations |
|
|
Focal length |
Distance between center of lens to focus |
|
|
Focal point |
Point of ray/wave meet after reflection/refraction |
|
|
Wave particle duality |
Exhibits both particle and wave properties |
|
|
Index of Refraction |
The ratio of the speed of light in a vacuum to the speed of light given transparent medium |
|
|
Laser |
Transparent objects that refracts light rays |
|
|
Medium |
A physical environment through which a disturbance can travel |
|
|
Period |
The time that it takes a complete cycle/wave oscillation |
