Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science final > sound and light review > Flashcards

sound and light review Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

what classifications does a sound wave fall under

A

mechanical, longitudinal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

sound waves are produced by an object_______

A

vibrating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the factors that affect speed of sound, and how they affect speed

A

1-temperature: the higher the temperatuere the faster the speed of sound
2-density: the denser the material the faster the speed of sound (unless stiffness is greater)
3-stiffness- the stiffer the material the faster the speed of sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

definition of pitch

A

the highness or lowness of a sound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

high-pitched sounds are created by waves with what type of frequency

A

high frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

low-pitched sounds are cerated by waves with what type of frequency

A

low frequency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1 Hertz (hz) =

A

1 wave per second

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

below 20 hz

A

infrasound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

above 20,000 hz

A

unltrasound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

most humans hear between

A

20-20000 hz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what determines how loud a sound is

A

the amount of energy that is put into it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

intensity definition

A

the amount of energy that is put into a sound wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

decibel (dB)

A

unit used to measure sound volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

would you expect amplitude to increase or deacrese with energy level

A

Increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what might this mean for a sound wave that is involved in constructive interference

A

it doubles in intensity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

why do sounds fade

A

because energy runs out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

as an object sending out sound waves gets closer it catches up to the sound waves it it sending out increasing the frequency which also increases the _______

A

pitch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

when the object pulls past the waves begin to get farther and farther apart causing a…

A

deacrese in pitch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

doppler effect definition

A

the percived change in pitch when an object making a sound moves past a listener

20
Q

sound quality definition

A

the quality of every object producing its own sound

21
Q

why do different instaments sound difference even when they play the same note

A

the overtone

22
Q

sound quality is created by what type of waves

A

overtone + fundimental tone

23
Q

the note being played is called the _______

A

fundimental tone

24
Q

the additional higher frequency pitches are called ________

A

overtones

25
Q

from low to high frequency the different types of waves on the EM spectrum are

A

radio, micro, infared, visible, ultraviolet, x-rays, gamma

26
Q

definition of transmission

A

the movement of EM waves through matter

27
Q

definition of reflection

A

the bouncing back of a wave after hitting an object

28
Q

defintion of absorbtion

A

the disipearing of a wave into an object

29
Q

defintion of transparent

A

almost all light is passed through and the image on the other side is not obsqured

30
Q

defintion of translucent

A

some light passes through but the image is blury

31
Q

defintion of opaque

A

no light passes through, either absorbed or reflected

32
Q

defintion of scattering

A

spreading out of a wave because particles are either reflecting or absorbing

33
Q

cause of scattering

A

haze, dust, fog, dirt in water

34
Q

the sky is blue during the day and red at sunset because

A

blue and violet light scatter first making the sky appeat that color

35
Q

primary color

A

three colors that can combine to make any other color

36
Q

secondary color

A

the colors produced when two primary colors are combined eaqualy

37
Q

complemetary color

A

any two colors that can combine to produce white ligth or black pigment

38
Q

pigment

A

a material the can change the color of something

39
Q

a red object appears red because…

A

an object is percived the color of light reflected back to your eye

40
Q

the percived color of an object can be changed by changing the….

A

light sorce

41
Q

plane mirror

A

it is flat and the image is normal

42
Q

concave mirror

A

caves in, makes an upsidedown image

43
Q

convex mirror

A

goes outward, makes a smaller image

44
Q

concave lens

A

a lens that curves inward, makes the image appear smaller

45
Q

convex lens

A

a lens the curves outward, makes the image upsidedown

Science final (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions