A Plane Convex Lens Is Made of Glass (N =

question 8

Multiple Choice

A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius of 20 cm. What is the focal length (in cm) of the lens?

• A) 20
• B) 30
• C) 40
• D) 10
• E) 50

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Definitions:

Sharpey Fibers

Collagenous fibers that anchor the periosteum to the bone, providing structural support.

Attachment

In psychology, the emotional bond that forms between an infant and their caregiver, crucial for the child's development.

Epiphysis

The rounded end of a long bone, which is separated from the main body of the bone by a growth plate during development.

Medullary Cavity

The central cavity of bone shafts where red or yellow marrow is stored.