Potassium Has a Work Function of 2

question 35

Multiple Choice

Potassium has a work function of 2.3 eV for photoelectric emission.Which of the following wavelengths is the longest wavelength for which photoemission occurs?

• A)400 nm
• B)450 nm
• C)500 nm
• D)540 nm
• E)600 nm

Understand the role of the federal government and legislation in shaping the West.

Comprehend the cultural myths and realities of the West as propagated by figures like William "Buffalo Bill" Cody.

Acknowledge the challenges and dangers of life in the American West, including conflict, disease, and natural disasters.

Understand the economic drivers of the American West, including the cattle industry and the extraction of natural resources.

---

Definitions:

Voting Rights

Refers to the legal rights and protections aimed at ensuring citizens have the ability to participate in the electoral process, including registering to vote and casting ballots.

Racial Discrimination

The unfair treatment of individuals based on their race or ethnicity, often resulting in systemic inequality.

National Association for the Advancement of Colored People

A civil rights organization founded in 1909 to fight for the elimination of racial prejudice and discrimination, advocating for the rights and well-being of African Americans.

Hepburn Act

The Hepburn Act of 1906 is a United States federal law that gave the Interstate Commerce Commission the authority to set maximum railroad rates and extend its jurisdiction.