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ch 17 science
| Question | Answer |
|---|---|
| the complet range of electromagnetic wave frequencies and wavelengths | Electomagnetic Spectrum |
| heat energy is tansmitted through this wave | infrared waves |
| causes particals in matter to move back and forth along the same direction in which the wave travels | compressional wave |
| the distance between one crest or compressional on a wave and the next one moving with the same speed and direction | wavelength |
| the angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with the normal | law of reflection |
| the amount of energy that a wave carries past by a point in a certain amount of time | intensity |
| the human perception of the frequency of sound | pitch |
| the number of wavelengths that pass by a point in a certain amount of time | frequency |
| electromagnetic wave that cn cause damage to the eye and skin | ultaviolet waves |
| a disturbance that carries energy through matter or space | wave |
| cause particals in matter to move back and forth at right angles to the direction in which the wave travels | transverse wave |
| waves that can travel through matter or empty space | electomagnetic wave |
| the change in direction of a wave when it travels from one material to another | refraction |
| can travel through matter or empty space | electomagnetic wave |
| contains high points called crests | transverse wave |
| contains rarefractons | compressional wave |
| contains electic and magnetic parts | electomagnetic wave |
| detected by ear | compressional wave |
| detected by eye | electomagnetic wave |
| what type of wave can travel only through matter | mechanical wave |
| what characteristics is measured in meters | wave length |
| what is the SI unit for frequency | Hertz |
| what type wave are sound waves that are produced by a virabrating object | compressional |
| what part of the ear amplifies sounf vibrations | cochea |
| what determines the britness of the light | pupil |
| what eles gets higher as the frequency of a sound gets higher | intensity |