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Light and Sound > Sound > Flashcards

Sound Flashcards

1
Q

Pitch

A

Is a term used to describe the frequency of a sound wave. The higher frequency results in a higher pitch.

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2
Q

Loudness

A

A larger amplitude results in a large sound (shown on a wave)

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3
Q

Ear

A

pinna, auditory canal, eardrum, hammer, anvil, sturrup, cochlea

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4
Q

Pinna

A

focuses sound into auditory canal

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5
Q

longitude wave

A

vibrate parallel to the direction they are travelling. Sound waves are an example of this type of wave

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6
Q

transverse wave

A

waves you see in the ocean. they travel up and down at 90 degrees. light and ocean waves are both examples of this

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7
Q

refraction and density

A

if the medium B that medium A is going through has a higher density than medium A, the light goes towards the normal

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8
Q

concave lens

A

diverge

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9
Q

convex lens

A

converge

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10
Q

convex mirror

A

diverge

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11
Q

concave mirror

A

converge

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12
Q

refraction

A

when light slows down and is bent

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13
Q

cornea

A

refracts light as it enters the eye

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14
Q

pupil

A

lets light into eye which varies in size

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15
Q

iris

A

controls the amount of light entering eye

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16
Q

lens

A

focuses light onto retina

17
Q

retina

A

detects light and creates visual images

18
Q

optic nerve

A

sends nerve impulses to the brain

19
Q

what colour is refracted the most

A

violet

20
Q

what colour is refracted the less

A

red

21
Q

colour with highest frequency

A

violet

22
Q

colour with lowest frequency

A

red

23
Q

crest

A

highest point of wave

24
Q

trough

A

lowest point of wave

25
Q

wavelength

A

the length between two waves

26
Q

amplitude

A

affects volume and is the length of the middle point to the highest point

27
Q

what type of wave is sound?

A

longitudinal

28
Q

what type of wave is light?

A

transverse

29
Q

speed of light

A

300,000,000 metres per second

30
Q

translucent

A

semi visible (milk)

Light and Sound (1 decks)

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