What Is the Power of a Lens That Has a Focal

question 30

Multiple Choice

What is the power of a lens that has a focal length of -40 cm and a width of 2.0 cm?

• A)-2.5 diopters
• B)-0.50 diopters
• C)+4.0 diopters
• D)+2.5 diopters
• E)-50 diopters

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Definitions:

Good Nutrition

Adequate, well-balanced intake of essential nutrients for health and growth.

Fetuses

A developmental stage of mammals within the womb, particularly of humans from the ninth week after conception to birth.

Longitudinal Method

A research design in which the same subjects are observed or studied over a long period to observe changes or development.

Neonates

Newborn babies, especially those less than four weeks old.