6830794
Beschreibung
Quiz von namitha md, aktualisiert more than 1 year ago
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Erstellt von namitha md
vor mehr als 7 Jahre
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Frage 1
Frage
Intensity is how much energy arrives at a surface each second. True or false.
Antworten
- True
- False
Frage 2
Frage
If the surface area increases, there are [blank_start]less[blank_end] photons hitting per square metre, they are [blank_start]more spread out[blank_end].
Antworten
-
less
-
more
-
no
-
more spread out
-
closer together
Frage 3
Frage
What is electromagnetic radiation?
Antworten
-
Electromagnetic radiation is the transfer of energy from one point to another.
-
Electromagnetic radiation is how much energy arrives at a surface each second.
Frage 4
Frage
Energy is transferred in something called [blank_start]photons[blank_end] (small packets of energy).
Antworten
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photons
-
atoms
-
molecules
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polymers
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