The Focal Length of the Lens of a Simple Digital

question 7

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)sideways from the CCD sensors
• C)away from the CCD sensors
• D)towards the CCD sensors

---

Definitions:

Punishing Stimulus

A stimulus that decreases the likelihood of a behavior recurring, often by inducing discomfort or an undesirable outcome following the behavior.

Consistency

The quality of being stable, reliable, and uniform over time in thoughts, behaviors, or performance.

Negative Punishment

A loss or unavailability of reinforcement because of inappropriate behavior.

Omission Training

A learning process in which the reinforcement is omitted or withdrawn when a certain behavior is performed, leading to a decrease in that behavior.