A Candle Is 49

question 26

Multiple Choice

A candle is 49.0 cm in front of a convex spherical mirror of radius of curvature 70.0 cm.What are the image distance and the magnification,respectively?

• A)-20.4 cm,+0.417
• B)+20.4 cm,-0.417
• C)+122.5 cm,+2.50
• D)-20.4 cm,-0.417

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Definitions:

Nagging

Persistent and repetitive asking or demanding, often perceived as annoying or bothersome.

Positive Punishment

A concept in behaviorism where an undesirable behavior is followed by an unfavorable outcome or stimulus, with the intention of decreasing that behavior.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior or increases its likelihood of being repeated.

Nagging

Persistently annoying or finding fault with someone, often to persuade them to do something.