Lession 1-4 Flashcards Preview

Unit 5: Waves And Light > Lession 1-4 > Flashcards

Flashcards in Lession 1-4 Deck (24)
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0
Q
A disturbance that transfers energy from one place to another
A
Wave
1
Q
The material through which a wave travels.
A
Medium
2
Q
Particles move back and forth in the same direction that the waves travel.
A
Longitudinal wave
3
Q
A type of wave that moves up and down
A
Transverse wave
4
Q
Waves that require a medium
A
Mechanical waves
5
Q
Disturbances in electric and magnetic fields
A
Electromagnet waves
6
Q
A measure of how far particles in the medium move away from their normal rest position
A
Amplitude
7
Q
The distance over which the waves shape repeats
A
Wavelength
8
Q
The time required to compleat a cycle
A
Wave period
9
Q
How many cycles occur in an amount of time.
A
Frequency
10
Q
One cycle per minute
A
Hertz
11
Q
Shapes such as circles or spears
A
Wavefront
12
Q
The speed at which the wave travels
A
Wave speed
13
Q
The transfer of energy as EM waves
A
Radiation
14
Q
Frequencies an EM wave can have
A
Electromagnetic(EM) spectrum
15
Q
Has longer wave lengths than red light
A
Infrared
16
Q
Has shorter wave lengths than violet light
A
Ultraviolet
17
Q
Matter that transmits light
A
Transparent
18
Q
Materials transmit light but do not let the light travel straight through
A
Translucent
19
Q
Materials do not let light pass through them
A
Opaque
20
Q
Transfer light energy to matter
A
Absorption
21
Q
The bouncing of light off a surface
A
Reflection
22
Q
Change in direction in a wave as it passes from one medium to another
A
Refraction
23
Q
Occurs when light is sent in many directions
A
Scattering