A Concave Mirror Has an Object Placed 40 Cm in Front

question 64

Multiple Choice

A concave mirror has an object placed 40 cm in front of it. An image forms 60 cm in front of the mirror. What is the focal length of the mirror?

• A) 60 cm
• B) 120 cm
• C) −120 cm
• D) 100 cm
• E) 24 cm

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Definitions:

Project Planning

The phase in project management that involves outlining the objectives, scope, resources, timeline, and tasks required to achieve project goals.

Execution Processes

The stage in project management where the project plan is put into action to create the project deliverables.

Relationship Dependence

The extent to which the outcomes of a project or business endeavor depend on the strength and nature of relationships between stakeholders.

Complex Systems

Systems characterized by multiple interacting components whose behavior cannot be easily predicted due to the interactions at different scales and feedback loops.