« previous next »

Author Question: Electromagnetic radiation travels at the speed of light (about 186,000 miles per second in a ... (Read 29 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Jul 17, 2018
Electromagnetic radiation travels at the speed of light (about 186,000 miles per second in a vacuum).
 
 Indicate whether the statement is true or false

Question 2

Electromagnetic radiation requires a medium such as water or tissue to travel.
 
 Indicate whether the statement is true or false


itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 17, 2018
Answer to Question 1

True

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation. Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation.
Use dye specifically made for coolant when checking for leaks using a black light. Use dye specifically made for coolant when checking for leaks using a black light.
Radiation therapy. Radiation therapy.
Movement of Chloroplasts in Response to Light Movement of Chloroplasts in Response to Light
Electromagnetic Spectrum of Radiant Energy Electromagnetic Spectrum of Radiant Energy
Video: Inflammation and Fever

For a complete list of videos, visit our video library