« previous next »

Author Question: The source of electromagnetic waves is vibrating A) electric charges. B) atoms. C) molecules. ... (Read 87 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
« previous next »
 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Electromagnetic Radiation Electromagnetic Radiation
A Model of a Pulsating X-Ray Source A Model of a Pulsating X-Ray Source
Non-Carbon Organic Molecules? Non-Carbon Organic Molecules?
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity
How many Cl atoms are present in 2.16 moles of NCl3? How many Cl atoms are present in 2.16 moles of NCl3?
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library