A Telescope Has an Angular Magnification of 250 When Used

question 42

Multiple Choice

A telescope has an angular magnification of 250 when used with a 20 mm eyepiece.What is the focal length of the objective lens?

• A)5.0 cm
• B)25 m
• C)5000 cm
• D)5.0 m
• E)2.5 m

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Definitions:

Variable Overhead Rate

Variable overhead rate is the ratio of variable overhead costs incurred for every unit of activity or a specific measure of activity, such as labor hours.

Direct Labor-Hours

The total hours worked by employees directly involved in the manufacturing process or production of goods and services.

Variable Overhead Rate

A rate that changes with the level of activity or production volume, applied to variable overhead costs.

Lubricants Variance

A difference between the expected and actual cost of lubricants used in a manufacturing or operational process.