The Focal Length of a Concave Mirror Has a Magnitude

question 65

Multiple Choice

The focal length of a concave mirror has a magnitude of 20 cm.What is its radius of curvature?

• A)10 cm
• B)40 cm
• C)-40 cm
• D)20 cm
• E)-20 cm

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Hidden Agendas

Unstated or secret objectives that influence someone's actions or decisions, often at odds with their publicly stated goals.

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