A Double-Convex Thin Lens Is Made of Glass with an Index

question 62

Multiple Choice

A double-convex thin lens is made of glass with an index of refraction of 1.52.The radii of curvature of the faces of the lens are 60 cm and 72 cm.What is the focal length of the lens?

• A) 70 cm
• B) 63 cm
• C) 75 cm
• D) 66 cm
• E) 58 cm

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Definitions:

Prevent Injury

The act of taking precautions to avoid accidents or harm to oneself or others.

Nasal Mucosa

The lining of the nose.

Palpation

The method of examining parts of the body by touch, especially for medical purposes.

Texture

The feel, appearance, or consistency of a surface or substance, often perceived through touch.