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Science waves Flashcards

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Biology 101 flashcards
1
Q

why is there no sound in space?

A

there is no matter for the sound to travel though.

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2
Q

what is a series of 0 and 1’s used in computer language

A

binary

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3
Q

how do you shatter glass?

A

frequency+pitch

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4
Q

which travels faster light wave or sound wave?

A

light wave

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5
Q

what is happening when light slows down?

A

Refraction

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6
Q

when the wave enters the medium what happens to the wave?

A

it bends

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7
Q

why do soundwaves travel faster than though a solid

A

there are more particles to bounce off of.

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8
Q

constructive interference occurs when…

A

2 waves meet and create a larger amplitude

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9
Q

destrucrtive enterference occurs when…

A

2 waves meet and create a smaller amplitude

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10
Q

what is deffraction

A

when an object causes a wave to change direction and bend around it.

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11
Q

what is absorpation

A

when a wave strikes an object and absorbs the energy.

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12
Q

what does an invisbility cloak dowith light waves.

A

the light waves bounce, bend, mix and move around.

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13
Q

what do light wvaes do when they enter a prism?

A

Bend

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14
Q

red waves travel…

A

longest

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15
Q

vilot waves travel…

A

shortest

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16
Q

why do red waves travel longest and vilot travel shortest

A

because red wavelengths are greater and violet wavelengths are lesser.

17
Q

When wavelengths increases frequency….

A

decreses

18
Q

When frequency increases amplitude….

A

increases

19
Q

energy increases becuase the speed and ampliude…

A

Increases

20
Q

what is the unit for freuency?

A

Hz (hertz)

21
Q

list 5 objects to asord sound in a room

A

all objects that are soft, or furry

22
Q

list the 4 types of seismic waves

A

p,s,l,r (people sweat lots regularly)

23
Q

P waves move…

A

side to side

24
Q

p waves pass through

A

solids liquids and gasses

25
Q

which wave moves at 10000

A

L

26
Q

how do L waves move the crust

A

up and down

27
Q

which wave moves in a elleptical pattern

A

R waves

28
Q

Which waves are the most destructive

A

R waves and L waves

29
Q

Where does s waves stop?

A

the earths core

30
Q

where does a p wave stop

A

NOO, a p wave can travel through all layers of the earth

31
Q

L waves move across what

A

the surface

32
Q

formula for wave speed

A

frequency* wavelength

33
Q

where is the crest

A

on the highest point of the wave

34
Q

where is the trough

A

the lowest point of the wave

35
Q

where is wavelegth

A

from crest to crest or trough to trough

36
Q

where is aplitude

A

from resting pt to crest or trough

37
Q

what do humans hear at

A

20,000 hz

38
Q

what do dogs hear at

A

45,000 hz

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