For Potassium Metal, the Work Function  (The Minimum

question 38

Multiple Choice

For potassium metal, the work function  (the minimum energy needed to eject an electron from the metal surface) is 3.68 × 10^-19 J. Which is the longest wavelength of the following which could excite photoelectrons?

• A) 550. nm
• B) 500. nm
• C) 450. nm
• D) 400. nm
• E) 350. nm

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Definitions:

Attracting

involves the process or strategies used by organizations or individuals to draw interest or engagement from others.

Hiring

The process of finding, interviewing, and employing individuals to fill job positions within an organization.

Fundamental Attribution Error

The tendency to overemphasize personal characteristics and ignore situational factors when judging others' behaviors.

Standard Deviation

An indicator of how much the values in a dataset spread out or differ from each other.