The Frequency of a Wave Is the Number of Waves

question 36

Multiple Choice

The frequency of a wave is the number of waves passing a given point per given unit of time.Frequency is measured in:

• A) angstroms.
• B) hertz.
• C) inches.
• D) eV.

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Definitions:

Validation Text

An explanatory message that appears when data entered into a field does not comply with validation rules.

Validation Rule Property

A set of constraints applied to a database field to ensure the data entered meets specific criteria before it can be accepted.

DateHired Field

A specific field in a database table that records the date an employee was hired.

Single-Value Lookup Field

A type of field in a database that allows the user to select a single value from a list, linking it to another table for reference.