The Speed of Sound in Air at 0°C Is 331

question 21

Multiple Choice

The speed of sound in air at 0°C is 331 m/s. What is the speed of sound in air at a temperature of −30°C?

• A) 308 m/s
• B) 310 m/s
• C) 312 m/s
• D) 314 m/s
• E) 316 m/s

---

Definitions:

Cognitive Dissonance

A psychological phenomenon occurring when an individual holds two or more contradictory beliefs, ideas, or values, leading to discomfort and a motivation to reduce the dissonance.

Realistic Job Preview

An accurate presentation of the potential duties and responsibilities of a job role to candidates, aimed at reducing turnover by setting proper expectations.

Uncertainty Reduction

The process through which individuals, groups, or organizations gather information to decrease the level of uncertainty about future events or behaviors.

Job Satisfaction

The level of contentment or happiness an individual feels towards their job role, considering aspects such as work environment and compensation.