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

Author Question: Electromagnetic radiation A) consists of waves that can vary in amplitude. B) is relatively rare ... (Read 28 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
Electromagnetic radiation
 
  A) consists of waves that can vary in amplitude.
  B) is relatively rare in the universe.
  C) consists of two waves that are 90 degrees out of phase with each other.
  D) does not create an electric field.

Question 2

At the speed of light, energy from the sun takes how much time to reach the Earth?
 
  A) 1 second
  B) 30 seconds
  C) 8 minutes
  D) 24 minutes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

johnharpe

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




lunatika

  • Member
  • Posts: 548
Reply 2 on: Jul 14, 2018
Wow, this really help


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library