Waves Flashcards

1
Q

Longitude waves

A

Pushing and pulling

P waves

Like sound l l l lll l l l

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2
Q

Transverse waves

A

Side to side

S waves

Like light (wavy line)

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3
Q

Volume

A

Frequency of sound
Or
Amplitude of sound

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4
Q

Doppler effect

A

refers to the change in wave frequency during the relative motion between a wave source and its observer

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5
Q

Wave

A

A transfer of energy through matter (medium)

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6
Q

Cycle

A

One complete wave

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7
Q

Period

A

The time for one complete cycle

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8
Q

Frequency

A

The # of cycles in 1 second

Measured in hertz (Hz)

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9
Q

Hertz

A

Cycles per second

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10
Q

Sound waves

A

Longitudinal

Slower than radio waves

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11
Q

Tsunami (seismic earthquake) is what wave in water?

A

L wave

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12
Q

Love wave

A

L wave

Like water

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13
Q

In earthquake, what seismic wave travels the slowest?

A

P-wave

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14
Q

Waves coming from a tuning fork

A

L-waves

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15
Q

Units for speed of a wave

A

Metres per second

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16
Q

Trough

A

Low point of wave

Meters

Midline to top of crest or bottom

17
Q

Decibel (dB) mesures…

A

The amplitude of sound

18
Q

Electromagnetic waves/spectrum

A

Transverse waves

Travel at the speed of light

19
Q

Resonance

A

Ultrasound waves

20
Q

Sonic boom occurs when…

A

An object travels faster than the speed of sound

21
Q

Richter scale

A

Measures the size of seismic waves

22
Q

Wavelength

A

Y upside down

Measured from crest to crest

Meters

23
Q

One complete wave

A

Crest to crest
Or
Trough to trough

24
Q

Reflection

A

Divide by 2

25
Q

Equation for velocity

A

V = f(y)

26
Q

V

A

Velocity (m/s)

27
Q

f

A

Frequency in cycles/s
Or
Hertz (Hz)

28
Q

(Y)

A

Wavelength in (m)

29
Q

Equation for distance

A

d = vt

30
Q

d

A

Distance (m)

31
Q

v

A

Velocity (m/s)

32
Q

t

A

Time (s)