A Refracting Astronomical Telescope Has Objective and Eyepiece Lenses of Focal

question 14

Multiple Choice

A refracting astronomical telescope has objective and eyepiece lenses of focal lengths 38 cm and 0.40 cm,respectively.What is the angular magnification of this instrument?

• A) 95
• B) 50
• C) 27
• D) 19.6

---

Definitions:

Chi-Square

A statistical test used to determine if a significant relationship exists between two categorical variables.

Row Variable

A categorical variable used in tables to categorize subjects or data points based on a specific attribute.

Column Variable

A variable represented by a column in a data table, where each row entry under that column pertains to different observations or records.

Degrees of Freedom

Degrees of freedom refer to the number of values in a calculation which are free to vary without violating the constraints of the calculation.