Waves- Physics Flashcards

(30 cards)

1
Q

what is the wavelength

A

the distnace from one peak to the next

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2
Q

what does the symbol for wavelength look like

A

a giraffe

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3
Q

what is wavelength measured in

A

meters

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4
Q

what is frequency

A

how many complete waves there are per second (passin g a certain point)

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5
Q

what is frequency measured in

A

Hz (Hertz)

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6
Q

what does 1 Hz represent

A

1 wave per seond

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7
Q

what is the symbol for frequency

A

f

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8
Q

what is amplitude

A

the height of the wave (from rest to peak/crest)

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9
Q

what is the speed of the wave

A

how fast it goes

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10
Q

what is the symbol for speed

A

v (velocity)

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11
Q

what is the unit for speed

A

meters per second

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12
Q

what is the period of a wave

A

the time it takes for one complete wave to pass a point

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13
Q

what is the symbol for period

A

T

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14
Q

what is the eqaution for wave speed

A

wave speed = frequency x wavelength

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15
Q

what are high frequency waves units like

A

kHz (kilohertz) or MHz (megahertz)

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16
Q

whats 1kHz in Hz

17
Q

whats 1 MGz in Hz

18
Q

what are two different types of waves

A

transverse or longitudinal

19
Q

what is an example of a transverse wave

A

a slinky spring wiggled up and down

20
Q

which wave riplles on water

21
Q

which wave is like light waves

22
Q

which wave is like sound waves

23
Q

whih wave is like ultrasound waves

24
Q

a shock wave is an example of what wave

25
what is a transverse wave
waves where the particles move up and down at right angles to the direction the wave travels
26
what is a longitudinal wave
waves where the particle movement is parallel to the direction of wave travel
27
True or false? All waves transfer energy.
true they all transfer enegry but not matter
28
where are the vibrations on a transverse wave
from side to side
29
where are the vibrations on a longitudianal wave
in the same direction as wave is travelling
30
what is special about light waves
they can be reflected and refracted