A Metal Having a Work Function of 2

question 30

Multiple Choice

A metal having a work function of 2.4 eV is illuminated with monochromatic light whose photon energy is 4.0 eV.What is the maximum kinetic energy of the photoelectrons produced by this light?

• A)2.6 × 10^-19 J
• B)3.8 × 10^-19 J
• C)4.7 × 10^-19 J
• D)5.5 × 10^-19 J
• E)6.4 × 10^-19 J

Discuss the significance of specific plant structures in reproduction and dispersal.

Describe the contributions of seed plants to biodiversity and ecological systems.

Understand the concept of a base class and its relationship to derived classes.

Recognize the significance and components of the Object class in Java.

---

Definitions:

Ethics

Moral principles that govern a person's behavior or the conducting of an activity, often concerned with what is good for individuals and society.

Scientific Method

A systematic process for acquiring knowledge that involves making observations, forming hypotheses, conducting experiments, and drawing conclusions based on evidence.

Tests Theory

Tests theory is a framework in psychology and education that aims to understand the principles and structures behind various types of tests, including their design, interpretation, and the implications for assessment and measurement.

Logical

Pertaining to or characterized by clear, sound reasoning or a coherent form of thinking.