davislily6 davislily6
  • 02-03-2017
  • Physics
contestada

true or false? All waves need a medium in order to travel

Respuesta :

Аноним Аноним
  • 02-03-2017
That is false because electromagnetic waves can travel without a medium.

hope this helps :)


Answer Link
AL2006
AL2006 AL2006
  • 02-03-2017
That's false.  Mechanical waves (like sound and ocean waves) do
need a medium to travel in, but electromagnetic waves (like radio
and light) don't.
Answer Link

Otras preguntas

Find the given radius or diameter of each circle with the given dimensions R= 21 ft
Construct a lists the seven ways bacteria differ from eukaryotic cells. (Just list them)
y is eleven times the value of x. The equation is y =____
L. Calculate the total revenue for each job at each price1. $20 per car x 35 cars per week x 12 weeks =$2. $15 per car x 20 cars per week x 12 weeks = $3. $2
HELP!! URGENT!! I WILL AWARD BRAINLIEST
Calculate the area of the irregular polygon shown below: 45 inches squared 50 inches squared 60 inches squared 85 inches squared
1. Put the layers of Earth in order from densest to least dense. A. Crust, Mantle, Inner core, Outer Core B. The inner core, Mantle, Outer core, Crust C. Crust,
What are primary consumers?
He saved my ____ by lending me some money when I needed it. pork bacon
Solve for x: x + 8 = -3 show work please