Elektromagnetiese Straling - Spektrum Flashcards

1
Q

Hoeveel soorte EM straling is daar?

A

7 soorte

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2
Q

Watter EM straal het die hoogste frekwensie?

A

Gammastrale

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3
Q

Watter EM straal het die laagste golflengte?

A

Gammastrale

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4
Q

Hoeveel soorte sigbare lig is daar?

A

7 soorte

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5
Q

Noem 2 voordele van Ultraviolet lig (UV)

A

Enige 2 van die volgende:

•Gloeilampe
•Sterilisasie
•Verifieer banknote

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6
Q

Watter EM straal het die laagste frekwensie?

A

Radiogolwe

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7
Q

Noem die 7 soorte sigbare lig in die regte orde.

A

Rooi, Oranje, Geel, Groen, Blou, Indigo, Violet

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8
Q

Watter EM straal het die hoogste golflengte?

A

Radiogolwe

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9
Q

Noem 2 nadele van gammastrale.

A

Enige 2 van die volgende:

•Kromosoom afwerking
•Skade aan weefsel
•Kernuitstraling
•Kanker
•Gaan deur vel, spiere, organe en been

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10
Q

Noem 2 nadele van gammastrale.

A

Enige 2 van die volgende:

•Kromosoom afwerking
•Skade aan weefsel
•Kernuitstraling
•Kanker
•Gaan deur vel, spiere, organe en been

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11
Q

Noem 2 voordele van gammastrale

A

Enige 2 van die volgende:

•Bestraling van kanker
•Radioterapie
•Maak bakterieë dood
•Hou kos langer vars

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