A Beam of Light Passes from Air into Water

question 57

Multiple Choice

A beam of light passes from air into water.Which is necessarily true?

• A)The frequency is unchanged and the wavelength increases.
• B)The frequency is unchanged and the wavelength decreases.
• C)The wavelength is unchanged and the frequency decreases.
• D)Both the wavelength and frequency increase.
• E)Both the wavelength and frequency decrease.

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Definitions:

Freezing Rows

A feature in spreadsheet applications that allows rows or columns to remain visible on the screen as a user scrolls through the document, enhancing navigation and comparison.

Absolute References

In spreadsheet applications, cell references that remain constant even if the formula is copied or moved to another cell.

Relative References

In spreadsheets, these refer to cell addresses that change when a formula or function is copied to another cell.

Mixed References

In spreadsheet software, a cell reference that combines absolute and relative referencing, allowing certain parts of the reference to change while others remain constant.