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Physics > T6 - Waves > Flashcards

T6 - Waves Flashcards

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1
Q

What is a transverse wave?

A

Oscillation are perpendicular to direction of energy transfer

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2
Q

What is a longitudinal wave?

A

Oscillation are parallel to direction of energy transfer

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3
Q

Feature of waves?

A

the wave travels and not particles

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4
Q

What is amplitude of a wave?

A

from middle to top and middle to bottom

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5
Q

What is the wavelength?

A

distance from the same spot on the wave

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6
Q

Feature of longitudinal waves? x2

A

-compression
-rarefaction

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7
Q

What is frequency?

A

number of waves passing a point each second

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8
Q

What is the period of a point?

A

time for 1 wave to pass a point

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9
Q

What can happen when a wave hits an object? x4

A

-wave transmitted
-absorbed
-reflected
-refracted

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10
Q

What do sound waves trigger in solids?

A

vibrations

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11
Q

What is the range of the normal human hearing?

A

20 hz - 20 khz

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12
Q

Feature of sound waves?

A

can only move through a medium as particles need to vibrate

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13
Q

What is frequency of ultrasound waves?

A

higher than human hearing

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14
Q

Feature of ultrasound waves?

A

partially reflect

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15
Q

What are ultrasounds useful for?

A

measuring distance between boundaries

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16
Q

Uses of ultrasound? x2

A

-medical imaging
-industrial imaging

17
Q

How to find distance by ultrasound?

A

distanced divided by 2

18
Q

What produces seismic waves?

A

earthquakes

19
Q

Types of seismic waves? x2

A

-P-waves
-S-waves

20
Q

What types of waves are P-waves?

A

longitudinal waves

21
Q

What types of waves are S-waves?

A

Transverse waves

22
Q

What can P-waves travel through?

A

can pass through both solid and liquid

23
Q

WHat can S-Waves travel through?

A

solids

24
Q

WHich wave is faster P-waves or S-waves?

A

P-waves

25
Q

Uses of P-waves and S-waves?

A

show structure and size of earths core

26
Q

What types of waves are electromagnetic waves?

A

transverse waves

27
Q

Order of visible light? x7

A

-Red
-orange
-yellow
-green
-blue
-indigo
-violet

28
Q

Electromagnetic spectrum? x7

A

-Radio
-microwave
-infared
-visible light
-ultraviolet
-x-ray
-gamma

29
Q

What is the frequency at beginning of EM spectrum?

A

low

30
Q

What is the wavelength at beginning of EM spectrum?

A

long

Physics (6 decks)

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