What Wavelength of Light Is Required to Cause the Ejection $\varPhi$

question 24

Multiple Choice

What wavelength of light is required to cause the ejection of photoelectrons with kinetic energies of 5.0 *10^-20 J from a calcium surface ( $\varPhi$ = 4.60 * 10^-19 J) ?

• A)485 nm
• B)390 nm
• C)308 nm
• D)632 nm
• E)480 nm

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Definitions:

Ranked Positional Weight

A method used in operations research and decision-making that assigns weights to positions or rankings based on their order to determine overall priorities or outcomes.

Cycle Time

The total time from the beginning to the end of a process, indicating the speed at which a system produces an output.

Product-oriented Layout

A product-oriented layout, reiterated, involves arranging the production resources in a linear or sequential manner to streamline the manufacturing process of specific products, enhancing efficiency.

Production Rates

The speed at which goods are manufactured in a given time period.