Author Question: Sunlight reflected from the surface of a lake A) is unpolarized. B) tends to be polarized with ... (Read 47 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?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

For a complete list of videos, visit our video library