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Physics > Wave > Flashcards

Wave Flashcards

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1
Q

wave

A

2
physical attribute oscillates repeatedly at each point
commonly studied in physics are mechanical and electromagnetic.

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2
Q

time period

refraction

A

time periodThe time it takes for a source to produce one wave.
speed that the waves are moving change

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3
Q

Waves transfer

withoutransfering

A

energy

matter

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4
Q

sound wave what type of wave

A

longitude

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5
Q

Interference

A

When two or more waves of a similar frequency meet

Inter milan scarf

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6
Q

pitch

A

folk

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7
Q

longitude

A

oscillations in longitude waves are parallel

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8
Q

transverse

A

oscillations in transverse waves are perpendicular

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9
Q

Amplitude

A

maximum movement to resting position

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10
Q

wavelength

A

same discrepancy

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11
Q

Time measure in

A

seconds

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12
Q

oscillation

A

A repetitive ‘to and fro’ movement.

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13
Q

Infrared

A

snooker balls

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14
Q

microwave metal

A

reflects

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15
Q

frequency symbol

A

F
of a wave The number of vibrations of the source in one second.
20Hz up to about 20,000Hz (20kHz)/ Ultrasound
Heinrich Rudolf Hertz

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16
Q

radio

A

alternating currents

Heinrich Hertz

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17
Q

ultraviolet

A

Causes damage to surface cells

can lead to skin cancer

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18
Q

A mechanical wave

A

is a local deformation (strain)

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19
Q

slinky spring

A

transverse

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20
Q

louder=

A

higher amplitude

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21
Q

waves most commonly studied in physics are

A

mechanical and electromagnetic.

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22
Q

what happens when a wave moves around a barrier or through an open barrier and spreads out?

A

diffraction

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23
Q

Gamma detected through

A

detected through Geiger–Müller tube

Can cause cells to mutate and cause cancer

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24
Q

cinema screen what image

A

pop corn

Real image

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25
Q

reflection

A

flip

angle of reflection is 90*

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26
Q

toasters use

A

infrared

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27
Q

Ultrasound above what

A

rugby ball

above frequency hear

28
Q

Sound what type

A

longitude

29
Q

when a wave enters a new medium at an angle, one side of the wave changes speed before the other side, causing the wave to bend

A

refraction

30
Q

analogue signal

A

log

31
Q

digital signal

A

spade

32
Q

electromagnetic waves

A

Transverse waves

33
Q

visible light

A

torch

34
Q

Optical fibres

A

use Visible light

35
Q

Name types of objects that sound waves can and cant travel through

A

solid can

vacuum can’t

36
Q

almost always confined to some finite region of space, called its

A

domain

37
Q

Can sound waves be reflected, refracted or diffracted

A

all of them

38
Q

What are the risks of microwaves to the body

A

Internal heating of body tissue

39
Q

Period and frequency will always be the

A

Reciprocal of each other

40
Q

Name a device that could have been used to capture the sound wave and turn it into the electrical signal for the oscilloscope.

A

microphone

41
Q

frequency is measured in ________

A

hertz

42
Q

what happens when a wave hits a surface in which it cannot pass?

A

reflection

43
Q

Type of interference

A

constructive and destructive

44
Q

________ is the distance between two corresponding waves

A

Wavelength

45
Q

which type of wave does a slinky show?

A

both

46
Q

the _________ is the high part of a transverse wave and the _________ is the low part of a transverse wave

A

crest, trough

47
Q

what do waves travel through?

A

medium

48
Q

mediums made from

A

gases, liquids and solids

49
Q

what is another way to say p wave?

A

primary

50
Q

what is another way to say s wave?

A

secondary

51
Q

surface waves travel

A

along the surface of the medium

52
Q

a _______ is an underwater earthquake

A

tsunami

53
Q

a machine that records the ground movements caused by an earthquake

A

what are seismographs?

54
Q

invented radio

A

Guglielmo Marconi

55
Q

infrared causes

A

Skin burns

56
Q

5 spelling

A

interference

57
Q

sound waves travel

A

343 metres per second

58
Q

Guglielmo Marconi

A

Bologna, Italy

59
Q

Heinrich Hertz

A

shop

Hamburg

60
Q

spelling 26

A

Gamma
toaster

shop

61
Q

angle of reflection is

A

90

62
Q

radio transmits

A

transmitter

63
Q

reflected sound wave

A

echo

64
Q

1

A

brick

65
Q

Have the highest frequency of all waves.

A

Gamma

66
Q

radio receives waves by

A

received by aerials.

67
Q

sound waves caused by

A

caused by vibrating objects

Physics (21 decks)

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