sound Flashcards

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1
Q

which waves are the fastest?

light or sound?

A

light

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2
Q

What type of waves are sound waves?

A

loungitudinal

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3
Q

What part of the ear collects sounds?

A

pinna

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4
Q

What is the diaphragm in a telephone most like?

A

the eardrum, because it vibrates

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5
Q

What is the amplitude of a wave?

A

the maximum height of a wave.

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6
Q

what is the wavelength of a wave?

A

The distance between the same two points on a wave

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7
Q

what is the frequency of a wave?

A

The distance between the same two points on a wave

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8
Q

In which does sound travel fastest?

A

solid

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9
Q

above what frequency is ultrasound?

A

20 000 hz

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10
Q

what do we use ultrasounds for?

A

taking unborn babies

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