Question

17.
What is the benefit of having a large objective lens?
A) It will produce a brighter image.
B) It will produce an inverted image.
C) It will produce a larger image.
D) It will produce a real image.
E) It will produce an image a shorter distance from the lens.

18.
What best describes the image formed by the objective lens?
A) Virtual and reduced.
B) Real and enlarged.
C) Virtual and enlarged.
D) Real and reduced.

19.
What will happen to the observed image, I2, if the eyepiece is moved a little closer to the objective?
A) The observed image will become larger and upright.
B) The observed image will remain inverted, but become larger
C) The observed image will remain the same size and orientation.
D) The observed image will remain inverted, but become smaller.
E) The observed image will become smaller and upright

20.
If the user changes from looking at an object 1 mile away to looking at an identical object 2 miles away, which of the following will occur?
A) The image formed by the objective lens will be larger and closer to t he objective lens.
B) The image formed by the objective lens will be smaller and further away from the objective lens
C) The image formed by the objective lens will be larger and further away from the objective lens.
D) The image formed by the objective lens will be smaller and closer to the objective lens.

Answer 1