Question

Whoever solves this correctly gets 100 points.

On Fig. 7.1, draw a ray, passing through a principal focus of the lens, from the tip of the object
to the tip of the image. Label the principal focus F.
[11

(c) Use the ray you have drawn in (b) to determine the focal length of the lens.

focal length =

[1]

(d) Draw another ray, not passing through a principal focus of the lens, that passes from the tip
of the object to the tip of the image.
[1]

[Total:​

Answer 1

Answer:

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Answer 2

Answer:

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