A Refracting Astronomical Telescope Has Objective and Eyepiece Lenses of Focal

question 65

Multiple Choice

A refracting astronomical telescope has objective and eyepiece lenses of focal lengths 30.0 cm and 0.40 cm,respectively.What is the angular magnification of this instrument?

• A)25
• B)49
• C)75
• D)143
• E)​30.4

---

Definitions:

Excel 2007

A version of Microsoft's spreadsheet software released in 2007, featuring significant updates to the interface and functionality.

Custom Views

A feature in software applications that allows users to create and save their own preferred layout or presentation of data.

Display Settings

The configurations that control the appearance of a device's screen, including resolution, color depth, and orientation.

Hidden Rows

Rows in a spreadsheet or table that have been temporarily removed from view but not deleted, often for the sake of clarity or conciseness.