Early Photoelectric Light Detectors Were Based on Cesium

question 34

Multiple Choice

Early photoelectric light detectors were based on cesium. Cesium metal has a work function of 3.43 *10^-19 J. What is the velocity of the photoelectrons ejected from a cesium surface when exposed to blue light at 400 nm?

• A) 2.90 * 10⁸ m/s
• B) 2.90 *10⁵ m/s
• C) 5.81 * 10² m/s
• D) 5.81 * 10⁸ m/s
• E) 5.81 *10⁵ m/s

Recognize the correlation between asymmetric information, adverse selection, and market outcomes.

Understand the relationship between consumer and producer surplus and market efficiency.

Recognize the role of government regulation in addressing information asymmetry and market failures.

Understand the economic implications of environmental policies and pollution abatement strategies.

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Definitions:

Lack Of Effort

A situation where an individual shows minimal or no initiative or willingness to complete tasks.

Self-Monitors

Individuals who are highly aware of their own behavior and how it affects others, often adjusting their actions to fit social contexts.

Appropriate

Suitable or proper in a specific context or situation, meeting the standards or requirements that are expected.

Behavior

The way in which one acts or conducts oneself, especially towards others.