The Focal Length of the Lens of a Simple Digital

question 114

Multiple Choice

The focal length of the lens of a simple digital camera is 40 mm, and it is originally focused on a person 25 m away. In what direction must the lens be moved to change the focus of the camera to
A person 4.0 m away?

• A) It does not make any difference.
• B) towards the CCD sensors
• C) sideways from the CCD sensors
• D) away from the CCD sensors

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Definitions:

Short-Term Memory

The component of memory that temporarily holds a limited amount of information for a short period of time.

Implicit Memory

Memory that influences thoughts or behaviors without conscious awareness, involving learned skills and conditioned responses.

Long-Term

Relating to or involving an extended period of time, often in the context of goals, memory, or investments.

Working Memory

A cognitive processing module with limited storage capacity, used for holding information momentarily for processing tasks.