Refraction and Lenses

Question 1

Which is unnecessary to include when accurately drawing ray diagrams?

Revolt · Accepted Answer

focal length

Question 2

Which describes an image that can be produced by a concave lens?

Revolt · Accepted Answer

The image is virtual and smaller than the object.

Question 3

The diagram shows an image produced by a lens.At which point does the image appear?

Revolt · Accepted Answer

X

Question 4

Which color of white light bends the most when it is refracted by a prism?

Revolt · Accepted Answer

green

Question 5

Different kinds of lenses are used in eyeglasses to help people with eye conditions. Farsightedness is an eye condition in which distant objects appear clear but close objects appear blurry. Nearsightedness is an eye condition in which close objects appear clear but distant objects appear blurry.

Revolt · Accepted Answer

Concave lenses would help someone who is nearsighted because the lenses make objects look smaller and closer.

Question 6

The picture shows rays passing through an unknown lens.Which ray would appear on a ray diagram for both a concave lens and a convex lens?

Revolt · Accepted Answer

D

Refraction and Lenses Answers

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