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:

Brain Size

The physical measurement of the brain's volume, often discussed in relation to cognitive abilities or evolutionary biology.

Conditioned Stimulus

A previously neutral stimulus that, after association with an unconditioned stimulus, comes to elicit a conditioned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without requiring any learning.

Conditioned Taste Aversion

An acquired response where an individual avoids consuming a certain food or drink due to a previous negative experience, such as illness.