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physics > electromagnetic spectrum > Flashcards

electromagnetic spectrum Flashcards

1
Q

what are the radiation types in order?

A

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

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2
Q

what are radio waves produced by?

A

electronic circuit oscillations

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3
Q

what are some effects of radio waves?

A

damage the lens of the eye by heating
cataracts

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4
Q

what are some uses of radio waves?

A

communication
radio
TV
satellites

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5
Q

what are micro waves produced by?

A

microwave ovens

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6
Q

what are some effects of micro waves?

A

cancer
burns

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7
Q

what are some uses of micro waves?

A

radio astronomy
radar
communications

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8
Q

what are infra red waves produced by?

A

heaters
radiators

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9
Q

what are some effects of infra red waves?

A

opacity of the lens (gradual)
eye redness and swelling

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10
Q

what are some uses of infra red waves?

A

to heat things up

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11
Q

what are some dangers of infra red waves?

A

cancer
cataracts

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12
Q

what is visible light produced by?

A

the sun

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13
Q

what are some effects of visible light?

A

able to see things better

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14
Q

what are some uses of visible light?

A

to see things for photography

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15
Q

what are some dangers of visible light?

A

burns
blindness
eye problems

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16
Q

what is ultraviolet produced by?

A

the sun

17
Q

what are some effects of ultraviolet?

A

skin cancer

18
Q

what are some uses of ultraviolet?

A

medical and forensic photography
disinfection
medical therapy

19
Q

what are some dangers of ultraviolet?

A

skin cancer

20
Q

what are x-rays produced by?

A

x-ray machines

21
Q

what are some effects of x-rays?

A

cancer

22
Q

what are some uses of x-rays?

A

to see bones/tissue for fractures
kills cancer cells

23
Q

what are some dangers of x-rays?

A

cancer causing

24
Q

what are gamma rays produced by?

A

changes in the nucleus of an atom

25
Q

what are some effects of gamma rays?

A

can cause ionisations that damage tissues and DNA

26
Q

what are some uses of gamma rays?

A

kills cancer cells

27
Q

what are some dangers of gamma rays?

A

cancer
cataracts

physics (4 decks)

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