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Science Waves > Waves > Flashcards

Waves Flashcards

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1
Q

Illuminated

A

Is lit up

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2
Q

Vacuum

A

Out space means no medium which means no sound

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3
Q

Doppler effect

A

Frequency of a wave changes pitch with a moving wave (sound) source

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4
Q

Reflection

A

When light bounces off an object and sound echoes

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5
Q

Refraction

A

When light bends
Goes from one medium to another
Changes wave speed

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6
Q

Diffraction

A

Bending if waves around an object

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7
Q

Constructive interference

A

Waves come together and the amplitude increases

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8
Q

Destructive interference

A

Waves come together and amplitude decreases

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9
Q

Roy g biv

A

Goes from largest to shortest wavelength

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10
Q

Electromagnetic waves shortest to longest

A

Gamma rays, X rays, ultra violet, visible light, infrared, microwaves, radio waves

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11
Q

Transferse

A

Light wave moves perpendicular to the medium

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12
Q

Frequency

A

Certain amount of wavelengths passed In a certain time measured in Hz

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13
Q

Sound

A

Requires a medium

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14
Q

Elastic

A

Ability of a solid to return back to its original shape

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15
Q

Human hearing

A

20Hz 20,000 Hz

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16
Q

Hz

A

Measures frequency

17
Q

Ultrasonic

A

Above 20,000 Hz

18
Q

Infrasonic

A

Below 20 Hz

19
Q

Outer ear

A

Funnels sound into ear

20
Q

Middle ear

A

Transmits sound *ear drum

21
Q

Inner ear

A

Converts sound *choclea sends to brain

22
Q

Wave speed

A

Depends on type and temperature of the medium as well as how elastic the medium is

23
Q

Solid

A

Definite shape and volume

24
Q

Liquid

A

Definite volume

No definite shape

25
Q

Gas

A

No definite shape and no definite volume

26
Q

Decibel range

A

10-140dB threshold for pain

27
Q

Super sonic

A

Faster than the speed of sound

28
Q

Longitudinal

A

Sound wave

Moves parallel to the medium

29
Q

Frequency related to

A

Pitch

30
Q

Amplitude related to

A

Loudness

31
Q

Luminous

A

Makes its own light

Science Waves (1 decks)

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