P1 - Topic 1 - Waves Flashcards

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1
Q

What is wavelength?

A

The distance from one peak to the next

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2
Q

What is frequency?

A

How many complete waves there are per second - measured in hertz

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3
Q

What is amplitude?

A

The height of the wave

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4
Q

What is speed?

A

How fast it goes

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5
Q

What do waves transfer and not transfer?

A

Transfer: information and energy

Don’t transfer: matter

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6
Q

How do you work out speed?

A

Distance % time

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7
Q

What is wave speed measured in?

A

m/s

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8
Q

What is distance measured in?

A

m

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9
Q

What is the measured in?

A

s

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10
Q

How do you work out wavelength?

A

Speed % frequency

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11
Q

What can waves be?

A

Transverse or longitudinal

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12
Q

What are most waves?

A

Transverse

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13
Q

Is light and all EM waves transverse or longitudinal?

A

Transverse

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14
Q

Are s-waves transverse or longitudinal?

A

Transverse

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15
Q

What do all waves have?

A

Wave length
Frequency
Amplitude
Speed

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16
Q

Waves on string and springs are transverse or longitudinal?

A

Transverse

17
Q

Ripples on water are longitudinal or transverse?

A

Transverse

18
Q

In transverse waves the vibrations are ….

A

At 90* to the direction of travel of the wave

19
Q

Transverse waves - the vibrations are from

A

Side to side

20
Q

What are 3/4 e maples of longitudinal waves?

A

Sound and ultrasound
P-waves
A slinky spring when you push and pull the end

21
Q

If 2 waves pass per second what is the frequency?

A

2 hertz (Hz)

22
Q

What is frequency measured in?

A

Hz (hertz)

23
Q

In longitudinal waves the vibrations are …

A

Along the same direction as the wave is travelling

24
Q

What do oscilloscopes show?

A

Things as transverse waves - even sound