Author Question: The source of electromagnetic waves is vibrating A) electric charges. B) atoms. C) molecules. ... (Read 99 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
The source of electromagnetic waves is vibrating
 
  A) electric charges.
  B) atoms.
  C) molecules.
  D) energy fields.

Question 2

If an electric charge is rapidly shaken up and down,
 
  A) sound is emitted.
  B) light is emitted.
  C) electron excitation occurs.
  D) an electromagnetic wave is produced.



uniquea123

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library