A Double-Convex Thin Lens Has Radii of Curvature of Magnitude

question 10

Multiple Choice

A double-convex thin lens has radii of curvature of magnitude 46 cm, and it is made of glass of index of refraction 1.60. What is the focal length of this lens?

• A) infinite
• B) -19 cm
• C) 38 cm
• D) -30 cm
• E) 18 cm

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Definitions:

Plantwide Overhead Rate

A single overhead absorption rate used throughout an entire factory or plant, applied to all production units irrespective of the department in which they were produced.

Overhead Cost Pool

A collection of indirect expenses grouped together to be allocated systematically to different departments, processes, or products.

Departmental Overhead Rate Method

A calculation used in cost accounting to allocate overhead expenses to specific departments based on their respective share of direct costs or activity levels.

Allocation Base

A criterion or measure, such as direct labor hours or machine hours, used for allocating costs among multiple cost objects.