The Work Function of a Certain Metal Is 1

question 80

Multiple Choice

The work function of a certain metal is 1.90 eV. What is the longest wavelength of light that can cause photoelectron emission from this metal?

• A) 231 nm
• B) 14.0 nm
• C) 62.4 nm
• D) 344 nm
• E) 653 nm

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Definitions:

Sustainable Development

Development that meets the needs of the present without compromising the ability of future generations to meet their own needs, focusing on environmental, economic, and social sustainability.

Future Generations

Future cohorts of people who will live after the current generation and are considered in planning and policy discussions, especially concerning sustainability and environmental preservation.

Closed-loop

A system where the products, materials, or resources are recycled back into the process, minimizing waste and the need for new raw materials.

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