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Physics Paper 2 > Wave basics > Flashcards

Wave basics Flashcards

1
Q

What is amplitude on waves

A

The maximum displacement of a point on the wave from its undisturbed position

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2
Q

What is wavelength

A

The distance between the same point on two adjacent waves
Most commonly peak to peak

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3
Q

What is frequency

A

The number of complete waves passing through a certain point per second
Also is measured in hertz. 1Hz is 1 wave/s

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4
Q

Formula for period

A

Period (s)= 1/Frequency(hz)
T=1/f

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5
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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6
Q

Examples of transverse waves

A

Electromagnetic waves
Seismic s waves

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7
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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8
Q

Examples of Longitudinal waves

A

Sound waves
Shock waves

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9
Q

Formula for wave speed

A

Wave speed (m/s)=Frequency(f) x Wavelength (m)

V=F upside down y

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10
Q

What is an example of a transverse wave

A

The ripples on a water surface

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11
Q

What are the two parts of a longitudinal wave called

A

areas of compression

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12
Q

What are the two types of waves

A

Transverse and longitudinal

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13
Q

What is wave speed

A

The speed at which waves move or at which energy is transferred through a medium

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14
Q

what does a wave transfer

A

energy

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15
Q

What is the word to describe when a wave bounces of 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- 20kHz
(1kHz= 1000Hz)

18
Q

What are ultra sound 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

A

Earthquakes and they produced both P waves and S waves

21
Q

What is the diff between S waves and P waves

A

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

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 calc distances

Physics Paper 2 (19 decks)

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