Brainscape's Knowledge GenomeTM

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


See full index

Physical Science 2k17 Lit flashcards > Waves and Hearing > Flashcards

Waves and Hearing Flashcards

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

What happens when a wave propogates

A

It passes obstructions and obsticles

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

What do waves exhibit

A

common and predictable behaviors

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

What the law of reflection

A

The angle of incidence equals the angle of reflection

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

What is the incident ray

A

The ray approaching the mirror or reflective surface

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

What is the reflected ray

A

The product of the incident ray reflecting of a mirror or reflective surface

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

What is the normal line

A

A line perpendicular to the reflective surface

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

What is the angle of incident

A

The angle the incident ray makes with the normal line

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

What is the angle of reflection

A

The angle the reflected ray makes

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

What is refraction

A

When waves pass through to a different medium, they change direction-if the wave velocity is different in the two mediums

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

What is the percentage of speed glass takes away from light

A

66% slower

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

What is the speed of light in air

A

300,000,000 m/s

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

What is the speed that light travels in water

A

225,000,000 m/s

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

What is the speed of sound in air

A

342 m/s

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

What is the speed of sound in water

A

1,480 m/s

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

What happens when sound enters water

A

It refracts away from the normal line

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

What happens when light enters water

A

It refracts toward the normal line

17
Q

What is the basic principle for refraction

A

Waves refract toward the normal line when they slow down and way from the normal line when they speed up

18
Q

What is a ghost image

A

an after reflection of light

19
Q

What is defraction

A

When waves bend and spread out as they pass by corners of objects in their paths

20
Q

What is a waveleangth

A

The distance between the crests and the troughs of a wave

21
Q

What is the SI system unit that measures frequency

A

Hertz and KiloHertz

22
Q

What is X-Ray Crystallogaphy

A

When ultrasonic waves pass though a crystal and bounces of different components helping scientists find the structure of small things

23
Q

Who invented X-Ray Crystallography

A

Max von Laue in 1912- Nobel prize in 1914

24
Q

What is the range of human hearing

A

20 Hz to 20 kHz

25
Q

What is the range of younger peoples hearing

A

15 Hz to 20 kHz

26
Q

What is echolocation

A

Using ultrasonic waves to map suroundings

27
Q

What is the range of a bat sounds

A

14 kHz to 100 kHz

28
Q

What is sonar

A

using ultrasonic waves to map surroundings with boats and technology

29
Q

What are ultrasonic waves

A

Waves above the range of human hearing

30
Q

What are shock waves

A

Waves produced by an object traveling faster than the speed of sound

31
Q

Who took the photo of a bullet moving

A

Ernst Mach (Name now used to designate speeds faster than the speed of sound) 1888

32
Q

What is the Doppler effect

A

When an sound you is compressed by a moving object ad the pitch increases and decreases as it gets closer and farther away

Physical Science 2k17 Lit flashcards (30 decks)

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