Properties of Waves Flashcards

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1
Q

Complete this sentence .
Waves transfer ____ and _____ but
do not transfer

A

_____Waves transfer energy and information

but do not transfer matter

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2
Q

What are the two types of waves?

A
  1. Transverse

2. Longitudinal

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3
Q

What is a transverse wave?

A

A wave for which the oscillations are
perpendicular to the direction of energy
transfer.

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4
Q

What is a longitudinal wave?

A

A wave for which the oscillations are
parallel to the direction of energy
transfer

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5
Q

Give two examples of transverse waves

A
  1. Electromagnetic waves

2. Seismic s-waves

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6
Q

Give two examples of longitudinal waves.

A
  1. Sound waves

2. Seismic p-waves

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7
Q

What are the two parts of a longitudinal wave called?

A

Compressions and rarefactions

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8
Q

What are the two parts of a transverse wave called?

A

Peaks and troughs

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9
Q

What is a wave’s amplitude?

A

The maximum displacement of a point

on a wave from its undisturbed position

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10
Q

What is wavelength?

A
● The distance from a point on a wave to 
the same position on the adjacent 
wave
● Most commonly peak to peak or 
trough to trough
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11
Q

What is the frequency of a wave?

A

The number of waves that pass a given

point each second

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12
Q

What is the unit used for frequency?

A

Hertz, Hz

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13
Q

What is meant by a frequency of 200Hz?

A

200 waves pass a given point each

second.

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14
Q

What is wave speed?

A

The speed at which energy is transferred

through a medium

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15
Q

What does a wave transfer?

A

Energy

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16
Q

What is wave velocity?

A

Wave velocity (measured in metres
per second) is equal to the product of
the wavelength and frequency of the
wave

17
Q

State the equation used to calculate

wave speed. Give appropriate units.

A

Wave Speed = Frequency x Wavelength

Speed (m/s), Frequency (Hz),
Wavelength (m)

18
Q

What is meant by the period of the wave?

A

The length of time it takes for one full

wave to pass through a point