Unit 5 Waves And Light

Question 0

Definition

Answer 0

Term

Question 1

Term

Answer 1

Definition

Question 2

Wave

Answer 2

A disturbance that transfers energy from one place to another

Question 3

A disturbance that transfers energy from one place to another

Answer 3

Wave

Question 4

Medium

Answer 4

Material through which a wave travels

Question 5

The material through which a wave travels

Answer 5

Medium

Question 6

Longitudinal wave

Answer 6

Particles move back and forth in the same direction that the wave travels, or parallel to the wave

Question 7

Particles move back and forth in the same direction that the wave travels, or parallel to the wave

Answer 7

Longitudinal wave

Question 8

Transverse wave

Answer 8

Particles move perpendicularly to the direction the wave travels

Question 9

Particles move perpendicularly to the wave travels

Answer 9

Transverse wave

Question 10

Mechanical waves

Answer 10

Waves that require a medium

Question 11

Waves that require a medium

Answer 11

Mechanical waves

Question 12

Electromagnetic waves

Answer 12

Light and similar waves

Question 13

Light and similar waves

Answer 13

Electromagnetic waves

Question 14

Amplitude

Answer 14

Measure of how far particles in the medium move away from their normal rest position

Question 15

The measure of how far particles in the medium move away from their normal rest position

Answer 15

Amplitude

Question 16

Wavelength

Answer 16

The distance over which the waves shape repeats

Question 17

The distance over which the waves shape repeats

Answer 17

Wavelength

Question 18

Wave period (period)

Answer 18

The time required for one cycle

Question 19

The time required for one cycle

Answer 19

Wave period (period)

Question 20

Frequency

Answer 20

Tells you how many cycles occur in an amount of time, most commonly 1 s

Question 21

Tells you how many cycles occur in an amount of time, most commonly 1 s

Answer 21

Frequency

Question 22

Hertz

Answer 22

A unit, equal to one cycle per second

Question 23

A unit, equal to one cycle per second

Answer 23

Hertz

Question 24

Wavefronts

Answer 24

The peaks can be drawn as shapes, such as circles or spheres

Question 25

The peaks can be drawn as shapes, such as circles or spheres

Answer 25

Wavefronts

Question 26

Wave speed

Answer 26

The speed at which a wave travels

Question 27

The speed of which a wave travels

Answer 27

Wave speed

Question 28

Radiation

Answer 28

The transfer of energy as EM waves

Question 29

The transfer of energy as EM waves

Answer 29

Radiation

Question 30

Electromagnetic (EM) spectrum

Answer 30

Visible light is only a small range of frequencies that an EM can have

Question 31

Visible light is only a small range of frequencies that an EM can have

Answer 31

Electromagnetic (EM) spectrum

Question 32

Infrared

Answer 32

Light has slightly longer wavelengths than red light

Question 33

Light has slight longer wavelengths than red light

Answer 33

Infrared

Question 34

Ultraviolet

Answer 34

Light has slightly shorter wavelengths than violet light

Question 35

Light has slightly shorter wavelengths than violet light

Answer 35

Ultraviolet

Question 36

Transparent

Answer 36

Matter that transmits light

Question 37

Matter that transmits light

Answer 37

Transparent

Question 38

Translucent

Answer 38

Materials that transmit light but does not let the light travel straight through

Question 39

Materials that transmit light but does not let the light travel straight through

Answer 39

Translucent

Question 40

Opaque

Answer 40

Materials that don't let any light pass through them

Question 41

Materials that don't let any light pass through them

Answer 41

Opaque

Question 42

Absorption

Answer 42

The transfer of light energy to matter

Question 43

The transfer of light energy to matter

Answer 43

Absorption

Question 44

Reflection

Answer 44

The bouncing of light that falls on it

Question 45

The bouncing of light off a surface

Answer 45

Reflection

Question 46

Refraction

Answer 46

The change in direction of a wave as it passes from one medium into another at an angle

Question 47

The change in direction of a wave as it passes from one medium to another at an angle

Answer 47

Refraction

Question 48

Scattering

Answer 48

When light is sent in many directions as it passes through a medium

Question 49

When light is sent in many directions as it passes through a medium

Answer 49

Scattering