A Parabolic Reflector Is Used by a Sports Broadcast Engineer

question 113

Multiple Choice

A parabolic reflector is used by a sports broadcast engineer to amplify the conversations between football players on the field. If the reflector has the shape x = 5y², where should the microphone be placed?

• A) units to the right of the focus of the reflector
• B) units to the right of the vertex of the reflector
• C) 20 units to the right of the focus of the reflector
• D) 10 units to the right of the vertex of the reflector

---

Definitions:

Self-Efficacy

An individual's belief in their own capacity to execute behaviors necessary to produce specific performance attainments.

Competently

With adequate ability, knowledge, or skill; effectively and efficiently.

Reciprocal Determinism

A concept in social cognitive theory that suggests individual behavior, personal factors, and environmental influences interact and influence each other.

Perception

The process by which the brain actively organizes and interprets sensory information.