A Convex Spherical Refracting Surface Separates a Medium with Index

question 57

Multiple Choice

A convex spherical refracting surface separates a medium with index of refraction 2 from air.The image of an object outside the surface is real:

• A)always
• B)never
• C)only if it is close to the surface
• D)only if its distance from the surface is large compared to the radius of curvature
• E)only if the radius of curvature is small

---

Definitions:

Psychic Epidemics

Phenomena in which a certain behavior or mindset spreads rapidly and widely among a population, influencing the collective psychological state.

Social Psychology

The scientific study of how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others.

Psychoactive Substances

Chemical substances that, when taken, alter brain function, resulting in temporary changes in perception, mood, consciousness, and behavior.

Excited Insanity

A state of extreme mental agitation and hyperactivity often leading to irrational or dangerous behavior, sometimes seen in psychiatric emergencies.