Author Question: Sunlight reflected from the surface of a lake A) is unpolarized. B) tends to be polarized with ... (Read 72 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Sunlight reflected from the surface of a lake
 
  A) is unpolarized.
  B) tends to be polarized with its electric field vector parallel to the surface of the lake.
  C) has undergone refraction by the surface of the lake.
  D) tends to be polarized with its electric field vector perpendicular to the surface of the lake.
  E) is totally polarized.

Question 2

Optical SETI is useful for
 
  A) focused communication over short distances and in particular directions
  B) communication over wide areas and large distances
  C) communication over large distances in directions where interstellar dust is not present
  D) communication with civilizations which surround similar stars to our Sun and hence have evolved to see visible radiation



Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

For a complete list of videos, visit our video library