What Is the F-Number of a Camera Lens That Has

question 22

Multiple Choice

What is the f-number of a camera lens that has an aperture-opening diameter of 0.20 cm and a focal length of 3.0 cm?

• A) 10
• B) 0.10
• C) 15
• D) 0.80

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Definitions:

Food Intake

Refers to the consumption of food and beverages by an individual or organism.

Avoided Foods

Foods that individuals choose not to eat for various reasons including allergies, health conditions, ethical beliefs, or personal preferences.

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A form of psychotherapy that focuses on modifying dysfunctional emotions, behaviors, and thoughts through a goal-oriented, systematic procedure.

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