P1.2.1 - Waves Flashcards

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1
Q

Describe a longitudinal wave.

A

The oscillaiton is parrallel to the direction of the wave.

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2
Q

A wave that has bounced off a barrier is called the…

A

reflected wave.

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3
Q

What is meant by the amplitude of a wave

A

The height of a peak or depth of a trough.

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4
Q

What is meant by the wavelength of a wave?

A

The distance between the same points on a wave e.g. distance between peaks.

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5
Q

The top of a wave is called the…

A

Peak or Crest

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6
Q

The bottom of a wave is called a…

A

Trough

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7
Q

What is meant by superposing waves?

A

When waves are put together

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8
Q

What is another word for vibration?

A

An oscillation

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9
Q

A wave that is travelling towards a barrier is called the…

A

incident wave

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10
Q

Identify the missing label on this longitudinal wave.

A

Compressions

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11
Q

Describe a transverse wave.

A

The oscillation moves 90° to the direction of the wave

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12
Q

What do we call it when a wave bounces off a surface or barrier?

A

Reflection

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13
Q

What is another word for an oscillation?

A

A vibration

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14
Q

What 2 things can happen when waves are put together? (superposed)

A

They cancel out

They add together

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15
Q

Identify the 2 types of wave.

A

Transverse Wave

Longitudinal Wave

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16
Q

What can waves transfer?

A

Energy

Information

17
Q

What is a wave in science?

A

A vibration (oscillation)

18
Q

What is meant by the frequency of a wave?

A

The number of waves per second

19
Q

Identify the missing label on this longitudinal wave.

A

Rarefactions