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Physics GCSE > P12. Wave Properties > Flashcards

P12. Wave Properties Flashcards

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1
Q

What are the two types of waves?

A
  1. Transverse
  2. Longitudinal
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2
Q

What is a transverse wave?

A

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

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3
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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4
Q

Give two examples of transverse waves

A
  1. Electromagnetic waves
  2. Seismic s-waves
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5
Q

Give two examples of longitudinal waves

A
  1. Sound waves
  2. Seismic p-waves
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6
Q

What are the two parts of a longitudinal wave called?

A

Compressions and rarefactions

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7
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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8
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 trough to trough

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9
Q

What is the frequency of a wave?

A

The number of waves that pass a given point each second

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10
Q

What is the unit used for frequency?

A

Hertz, Hz

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11
Q

What is meant by a frequency of 200Hz

A

200 waves pass a given point each second

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12
Q

What is wave speed?

A

The speed at which the wave moves or at which energy is transferred through a medium

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13
Q

What does a wave transfer?

A

Energy

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14
Q

State the equation used to calculate wave speed.

A

Wave speed = Frequency × Wavelength

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15
Q

What word is used to describe when a wave bounces off a surface?

A

Reflection

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16
Q

How do sound waves travel through a solid?

A

The particles in the solid vibrate and transfer kinetic energy through the material

17
Q

What is the frequency range of human hearing?

A

20 Hz = 20 kHz

18
Q

What are ultrasound waves?

A

Waves which have a frequency higher than the upper limit of human hearing

19
Q

Give an example use for ultrasound waves?

A

Medical or industrial imaging

20
Q

What natural event causes seismic waves to be produced? What types are produced

A

Earthquakes
They produce both P-waves and S waves

21
Q

State a difference between the mediums that P- Waves and S- waves can travel through?

A

P waves travels through both solids and liquids
S waves only travel through solids

22
Q

What technique is used to detect objects in deep water and measure water depth?

A

Echo sounding
High frequency sound waves are emitted, reflected and detected
Time difference between emission and detection, alongside wave speed, are used to calculate distances

Physics GCSE (11 decks)

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