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

Author Question: Which one of the following predicted the existence of electromagnetic waves and proposed that ... (Read 57 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
Which one of the following predicted the existence of electromagnetic waves and proposed that visible light was a form of electromagnetic energy?
 
  A. Hans Christian Oersted
  B. Michael Faraday
  C. James Clerk-Maxwell
  D. Andr Ampre

Question 2

The highest frequency that is returned to Earth when transmitted vertically under given ionospheric conditions is called the ____________.
 
  A. critical angle
  B. maximum usable frequency
  C. critical frequency
  D. optimum working frequency



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

C

Answer to Question 2

C




michelleunicorn

  • Member
  • Posts: 565
Reply 2 on: Jul 28, 2018
Wow, this really help


scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

For a complete list of videos, visit our video library