A Convex Spherical Surface with Radius R Separates a Medium

question 37

Multiple Choice

A convex spherical surface with radius r separates a medium with index of refraction 2 from air. As an object is moved toward the surface from far away along the central axis, its image:

• A) changes from virtual to real when it is r/2 from the surface
• B) changes from virtual to real when it is r from the surface
• C) changes from real to virtual when it is r/2 from the surface
• D) changes from real to virtual when it is r from the surface
• E) remains real

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Definitions:

Social Network

A digital platform that connects individuals, allowing them to share information, interests, and form virtual communities.

Standards Of Behavior

Standards of behavior refer to established norms and rules governing the conduct of individuals within a society, organization, or community.

Virtual Communities

Groups of individuals who interact and share common interests or goals through the internet, without the need for physical presence.

Norms

Socially accepted rules or standards that dictate the expected behavior within a community or group.