# Problem: 1. Which of the following are functions of the eyepiece lens of a refracting telescope?Check all that apply.A. to produce an image whose angular size is greater than that of the objectB. to magnify the image produced by the objective lensC. to reverse the orientation of the image produced by the objective lensD. to form an image at the focal point of the objective lens2. What must result if the eyepiece lens of a refracting telescope is replaced with a lens that has a shorter focal length?Check all that apply.A. The length of the telescope must be reduced.B. The angular magnification produced by the telescope increases.C. The focal length of the objective lens decreases.D. The angular size of the image seen by the viewer increases.

###### FREE Expert Solution

1.

Refracting telescope has two lenses in which the first lens acts as the object for the second lens.

The image formed by the objective lens is inverted, real, and very close to the focal point of the eyepiece.

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###### Problem Details

1. Which of the following are functions of the eyepiece lens of a refracting telescope?
Check all that apply.

A. to produce an image whose angular size is greater than that of the object
B. to magnify the image produced by the objective lens
C. to reverse the orientation of the image produced by the objective lens
D. to form an image at the focal point of the objective lens

2. What must result if the eyepiece lens of a refracting telescope is replaced with a lens that has a shorter focal length?
Check all that apply.

A. The length of the telescope must be reduced.
B. The angular magnification produced by the telescope increases.
C. The focal length of the objective lens decreases.
D. The angular size of the image seen by the viewer increases.