Phys - EM Spectrum Flashcards

1
Q

All waves transfer energy by?

A

Vibrating.

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2
Q

What are longitudinal waves?

A

Longitudinal waves vibrate in the same direction they are travelling in.

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3
Q

What is a wavelength?

A

The distance from one point to the next identical point.

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4
Q

What is amplitude?

A

The maximum height a wave vibrates from the rest point.

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5
Q

What is frequency?

A

The number of waves produce in one second (measured in Hertz - Hz)

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6
Q

All waves in the electromagnetic …

A

1) are transverse waves

2) travel at the speed of light in a vacuum

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7
Q

Which wave in the EM spectrum has the longest wavelength?

A

Radio waves.

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8
Q

Which wave in the EM spectrum has the shortest wavelength?

A

Gamma rays.

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9
Q

Which wave in the EM spectrum has the highest frequency?

A

Gamma rays.

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10
Q

Which wave in the EM spectrum has the lowest frequency?

A

Radio waves.

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11
Q

What is a transverse wave?

A

Transverse waves vibrate at 90’ to the direction they are travelling in.

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