The Longest Wavelength of Light That Causes Electrons to Be

question 30

Multiple Choice

The longest wavelength of light that causes electrons to be ejected from the surface of a copper plate is 243 nm. What is the maximum velocity of the electrons ejected when light of wavelength 200.nm shines on a copper plate?

• A)1.48 * 10⁶ m/s
• B)6.22 * 10⁵ m/s
• C)4.67 * 10⁴ m/s
• D)1.97 * 10⁴ m/s
• E)1.34 * 10⁶ m/s

Understand the difference between invention, innovation, and diffusion and their significance in technological progress.

Grasp the relevance of patents to inventions and innovations.

Differentiate between product and process innovations and their effects on firms' costs and revenues.

Comprehend the advantages of being first in developing a new product.

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Definitions:

Return Value

The output generated by a function or a procedure after execution, which can be a number, text, or complex data types depending on the operation.

VLOOKUP

A function in spreadsheet software that searches for a value in the first column of a range and returns a value in the same row from a specified column.

MATCH Function

A function in Excel and other spreadsheet applications that searches for a specified item in a range of cells, and then returns the relative position of that item.

Total Row

A feature in spreadsheet software that automatically calculates and displays the sum, average, count, or other statistics for data in a column.