Unit 5 Waves And Lite Flashcards
A disturbance that transfers energy from one place to another
Wave
Wave
A disturbance that transfers energy from one place to another
Medium
The material through which a wave travels
The material through which a wave travels
Medium
Longitudinal wave
Particle move back and forth in the same direction that the wave travels,or parallel to the wave
Particles move back and forth in the same direction that the wave travels,or parallel to the wave
Longitudinal wave
Transverse wave
Particles move perpendicularly to the direction the wave travels
Particles move perpendicularly to the direction the wave travels
Transverse wave
Mechanical wave
Waves that require a medium
Waves that require a medium
Mechanical wave
Electromagnetic wave
Disturbances in electric and magnetic fields
Disturbances in electric and magnetic Fields
Electromagnetic waves
Amplitude
A measure of how far particles in the medium moves away from the rest
A measure of how far particles in the the medium move away from their normal rest
Amplitude
Wavelength
The distance over which the waves shape repeats
The distance over which the waves shape repeats
Wavelengh
Wave period
The time required for one cycle
The time required for one cycle
Wave period
Frequency
How many cycles will happen over time,most commonly 1
How many cycles will happen over time,most commonly 1
Frequency
Hertz
A measurement of an frequency
A measurement of an frequency
Hertz
Wavefronts
Peaks can be drawn as shapes,such as circles or spheres
Peaks can be drawn as shapes,such as circles or spheres
Wavefronts
Wave speed
Speed at which the wave travels
Speed at which the wave travels
Wave speed
Radiation
The transfer of energy as EM waves
The transfer of energy as EM waves
Radiation
Infared
A light that has slightly longer wavelengths than a regular red lite
A light that has slightly longer wavelengths than a regular red lite
Infared
Ultraviolet or UV
A light that has slightly shorter wavelengths than a violet lite
A light that has slightly shorter wavelengths than a violet lite
Ultraviolet
Electromagnetic (EM) spectrum
A visible light represents only a very small part of the range of frequencies
A visible light represents only a very small part of the range of frequencies
Electromagnetic (EM) spectrum
Transparent
A matter that transmits light
A matter that transmits light
Transparent
Translucent
Materials that transmit light but do not let light travel straight through
Materials that transmit light but do not let light travel straight through
Translucent
Opaque
Materials that do not let any light pass through them
Materials that do not let any light pass through them
Opaque
Absorption
Transferring light energy into matter
Transferring light energy into matter
Absorption
Reflection
Bouncing light off a surface
Bouncing light off a surface
Reflection
Refraction
When light changes direction passing through something
Light changing direction while passing through something
Refraction
Scattering
When light is sent in many directions as it passes through a medium
When light is sent in many directions as it passes through a medium
Scattering
