455765
Beschreibung
Quiz von leonie.examtime, aktualisiert more than 1 year ago
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Erstellt von leonie.examtime
vor fast 11 Jahre
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Frage 1
Frage
When an image is created using a concave lens, What type of image is created?
Antworten
-
Virtual
-
Real
-
No image is created
Frage 2
Frage
When an image is created using a convex lens, what type of image is created?
Antworten
-
A virtual image
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A real image
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The image can be real or virtual
Frage 3
Frage
Light waves travel in straight lines
Antworten
- True
- False
Frage 4
Frage
The refractive number index of a medium is unitless
Antworten
- True
- False
Frage 5
Frage
When light rays go through a convex lens, what happens to them?
Antworten
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Nothing happens them
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The diverge away from the normal
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They converge towards the normal
Frage 6
Frage
What is the power of a convex lens?
Antworten
-
Positive
-
Negative
-
It has no power
Frage 7
Frage
If a ray hits a medium at the medium's critical angle, the ray passes through the medium without being deflected
Antworten
- True
- False
Frage 8
Frage
What units do we measure the power of lenses in?
Antworten
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Watt
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Coulomb
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Dipoles
Frage 9
Frage
If a ray of light travels from one medium into a denser medium (one with a higher refractive index), at what speed does the ray travel in the new medium?
Antworten
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At a faster speed
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At a slower speed
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At the same speed
Frage 10
Frage
What is the power of a concave lens?
Antworten
-
Positive
-
Negative
-
It has no power
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