455765
Descrição
Quiz por leonie.examtime, atualizado more than 1 year ago
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Criado por leonie.examtime
quase 11 anos atrás
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Questão 1
Questão
When an image is created using a concave lens, What type of image is created?
Responda
-
Virtual
-
Real
-
No image is created
Questão 2
Questão
When an image is created using a convex lens, what type of image is created?
Responda
-
A virtual image
-
A real image
-
The image can be real or virtual
Questão 3
Questão
Light waves travel in straight lines
Responda
- True
- False
Questão 4
Questão
The refractive number index of a medium is unitless
Responda
- True
- False
Questão 5
Questão
When light rays go through a convex lens, what happens to them?
Responda
-
Nothing happens them
-
The diverge away from the normal
-
They converge towards the normal
Questão 6
Questão
What is the power of a convex lens?
Responda
-
Positive
-
Negative
-
It has no power
Questão 7
Questão
If a ray hits a medium at the medium's critical angle, the ray passes through the medium without being deflected
Responda
- True
- False
Questão 8
Questão
What units do we measure the power of lenses in?
Responda
-
Watt
-
Coulomb
-
Dipoles
Questão 9
Questão
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?
Responda
-
At a faster speed
-
At a slower speed
-
At the same speed
Questão 10
Questão
What is the power of a concave lens?
Responda
-
Positive
-
Negative
-
It has no power
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