Which of the Following Statements About Electromagnetic Waves in Free

question 42

Multiple Choice

Which of the following statements about electromagnetic waves in free space are true? (There could be more than one correct choice. )

• A)The higher-frequency travel faster than the lower-frequency waves.
• B)The higher-frequency waves have shorter wavelengths than the lower-frequency waves.
• C)The wavelengths of the visible waves are some of the longest electromagnetic waves.
• D)The wavelengths of the visible waves are some of the shortest electromagnetic waves.
• E)The electric field vector is always at right angles to the magnetic field vector.

---

Definitions:

Codes of Conduct

Sets of rules outlining the responsibilities, ethical standards, and proper practices for individuals or organizations.

Political Action Committees (PACs)

Groups of people who organize to support candidates they feel will represent their views.

Major Corporations

Large, powerful companies that have a significant impact on the economy through their operations, employment, and influence on sectors and markets.

Incumbents

Current holders of a political office or position, typically with reference to their advantage in re-election efforts.