This topic contains a solution. Click here to go to the answer

Author Question: The source of all electromagnetic waves is A) changes in atomic energy levels. B) vibrating ... (Read 405 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
The source of all electromagnetic waves is
 
  A) changes in atomic energy levels.
  B) vibrating atoms and molecules.
  C) accelerating electric charges.
  D) crystalline fluctuations.
  E) none of the above

Question 2

In free space, electromagnetic waves travel at a
 
  A) variety of speeds.
  B) single speed.
  C) speed depending on frequency.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B



imanialler

  • Hero Member
  • *****
  • Posts: 539
Both answers were spot on, thank you once again




 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Thyroid conditions may make getting pregnant impossible.

For a complete list of videos, visit our video library