What Type of Waves Have NOT Yet Been Directly Detected

question 94

Multiple Choice

What type of waves have NOT yet been directly detected by astronomers?

• A) sound waves
• B) gravitational waves
• C) X-ray waves
• D) gamma-ray waves
• E) pressure waves

---

Definitions:

Need for Affiliation

An individual's desire to form or maintain interpersonal relationships or to be part of a group.

Senior Executive

A high-ranking position within an organization responsible for making major decisions, typically part of the company's top management.

Two-factor Theory

A psychological theory suggesting that there are separate sets of factors that cause job satisfaction and job dissatisfaction; introduced by Frederick Herzberg.

Method Bound

Referencing the limitation of a problem-solving or operational process to a specific methodology or approach.