A Convex Mirror Has a Focal Length of −20 Cm

question 20

Multiple Choice

A convex mirror has a focal length of −20 cm. What is the object distance if the image distance is −10 cm?

• A) 10 cm
• B) 40 cm
• C) 60 cm
• D) 20 cm
• E) 30 cm

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Definitions:

Enacted Behaviors

Observable actions taken by individuals, often in response to social norms or environments.

Boredom

A state of weariness and dissatisfaction arising from a lack of interest or engagement.

Depression

A state of mental distress typified by ongoing depressive mood or the inability to find pleasure in activities, severely disrupting daily life performance.

Anxiety

An emotion of concern, apprehension, or discomfort, usually in anticipation of a forthcoming event or regarding something whose result is not yet determined.