EM waves: basics Flashcards

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1
Q

light is an example of a —- wave.

A

light is an example of a transverse wave.

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2
Q

The different colours of waves correspond to different wavelengths: (red and violet)

A

1) red has the longest wavelength and lowest frequency

2) violet has the shortest wavelength and highest frequency.

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3
Q

name the members of the electromagnetic spectrum going from the longest wavelength (and lowest frequency) to the shortest wavelength (and highest frequency).

A

1) radio waves
2) micro-waves
3) infared
4) visible light
5) ultraviolet
6) x rays
7) gamma rays

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4
Q

all electromagnetic waves share several properties:

A

1) they are all transverse waves.
2) they can all travel through a vacuum.
3) they all travel at the same speed in a vacuum.

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