A Simple Refracting Telescope Provides Large Magnification by Employing

question 8

Multiple Choice

A simple refracting telescope provides large magnification by employing

• A) a short focal length objective and a short focal length eyepiece.
• B) a short focal length objective and a long focal length eyepiece.
• C) a long focal length objective and a short focal length eyepiece.
• D) a long focal length objective and a long focal length eyepiece.

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Definitions:

Depth of Field

In photography and optics, the distance between the nearest and the furthest objects that are in acceptably sharp focus.

Total Magnification

The enlargement level of an image as seen through a microscope, calculated by multiplying the objective lens magnification by the eyepiece lens magnification.

Cross-Sectional Area

The total area within the boundary of a three-dimensional object when it is cut through perpendicularly to its longest axis.

Field Diameter

The length of the visible field observed through the microscope or another imaging device.