Doubling the F-Number of a Camera Lens Will Change the Light

question 28

Multiple Choice

Doubling the f-number of a camera lens will change the light intensity admitted to the film by what factor?

• A) 1/4
• B) 4
• C) 1/2
• D) 2

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Definitions:

Reticular Activating System

A network of neurons located in the brainstem that is responsible for regulating wakefulness and sleep-wake transitions.

Limbic System

A complex system of nerves and networks in the brain, involved in instinct and mood control and the basic emotions (fear, pleasure, anger).

Pleasure

A subjective feeling of enjoyment or satisfaction derived from sensory or emotional experiences.

Semantic Memory

A type of long-term memory that involves the storage of general knowledge and facts about the world, independent of personal experience.