A Convex Refracting Surface Has a Radius of 12 Cm

question 49

Multiple Choice

A convex refracting surface has a radius of 12 cm.Light is incident in air (n = 1) and refracted into a medium with an index of refraction of 2.Light incident parallel to the central axis is focused at a point:

• A)3 cm from the surface
• B)6 cm from the surface
• C)12 cm from the surface
• D)18 cm from the surface
• E)24 cm from the surface

---

Definitions:

Family Therapy

A form of psychological counseling that aims to improve communication and resolve conflicts within a family.

Selective Serotonin Reuptake Inhibitors (SSRIs)

Antidepressant drugs that work by blocking the reuptake of serotonin by presynaptic neurons, thus increasing the amount of serotonin available to the brain.

Agitation

A state of anxiety or nervous excitement, often manifesting in physical movements or verbal outburst.

Delusions

False, persistent beliefs that are unsubstantiated by sensory or objective evidence.