The Work Function of a Certain Material Is 4

question 66

Multiple Choice

The work function of a certain material is 4.9 eV.What is the photoelectric cut-off wavelength for this material?

• A)1.3 * 10^-7 m
• B)2.5 * 10^-7 m
• C)3.3 * 10^-7 m
• D)3.9 * 10^-7 m
• E)4.4 * 10^-7 m

---

Definitions:

Res Ipsa Loquitur

A legal principle that infers negligence from the very nature of an accident or injury, in the absence of direct evidence on how any defendant behaved.

Plaintiff

An individual or entity who initiates a lawsuit against another party in a court of law.

Jurisdiction

The official power to make legal decisions and judgments, often defined by geographic area or type of case.

Proving Their Case

The requirement for a party in a legal dispute to present sufficient evidence to support their claims or defense.