Wave Flashcards by Ryan Martin

wave

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

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time period

refraction

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

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Waves transfer

withoutransfering

energy

matter

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sound wave what type of wave

longitude

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Interference

When two or more waves of a similar frequency meet

Inter milan scarf

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pitch

folk

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longitude

oscillations in longitude waves are parallel

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transverse

oscillations in transverse waves are perpendicular

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Amplitude

maximum movement to resting position

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wavelength

same discrepancy

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Time measure in

seconds

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oscillation

A repetitive ‘to and fro’ movement.

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Infrared

snooker balls

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microwave metal

reflects

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frequency symbol

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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radio

alternating currents

Heinrich Hertz

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ultraviolet

Causes damage to surface cells

can lead to skin cancer

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A mechanical wave

is a local deformation (strain)

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slinky spring

transverse

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louder=

higher amplitude

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waves most commonly studied in physics are

mechanical and electromagnetic.

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

diffraction

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Gamma detected through

detected through Geiger–Müller tube

Can cause cells to mutate and cause cancer

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cinema screen what image

pop corn

Real image

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reflection

flip | angle of reflection is 90*

toasters use

infrared

Ultrasound above what

rugby ball | above frequency hear

Sound what type

longitude

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

refraction

analogue signal

log

digital signal

spade

electromagnetic waves

Transverse waves

visible light

torch

Optical fibres

use Visible light

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

solid can | vacuum can't

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

domain

Can sound waves be reflected, refracted or diffracted

all of them

What are the risks of microwaves to the body

Internal heating of body tissue

Period and frequency will always be the

Reciprocal of each other

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

microphone

frequency is measured in ________

hertz

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

reflection

Type of interference

constructive and destructive

________ is the distance between two corresponding waves

Wavelength

which type of wave does a slinky show?

both

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

crest, trough

what do waves travel through?

medium

mediums made from

gases, liquids and solids

what is another way to say p wave?

primary

what is another way to say s wave?

secondary

surface waves travel

along the surface of the medium

a _______ is an underwater earthquake

tsunami

a machine that records the ground movements caused by an earthquake

what are seismographs?

invented radio

Guglielmo Marconi

infrared causes

Skin burns

5 spelling

interference

sound waves travel

343 metres per second

Guglielmo Marconi

Bologna, Italy

Heinrich Hertz

shop | Hamburg

spelling 26

Gamma toaster shop

angle of reflection is

radio transmits

transmitter

reflected sound wave

echo

brick

Have the highest frequency of all waves.

Gamma

radio receives waves by

received by aerials.

sound waves caused by

caused by vibrating objects