Author Question: Chromatic aberration occurs in a ____ telescope when ____. a. reflecting; different colors of ... (Read 60 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
Chromatic aberration occurs in a ____ telescope when ____.
 
  a. reflecting; different colors of light do not focus at the same point.
  b. refracting; different colors of light do not focus at the same point.
  c. reflecting; light of different wavelengths get absorbed by the mirror.
  d. refracting; light of different wavelengths get absorbed by the lens.

Question 2

A white dwarf is composed of
 
  a. hydrogen nuclei and degenerate electrons.
  b. helium nuclei and normal electrons.
  c. carbon and oxygen nuclei and degenerate electrons.
  d. degenerate iron nuclei.
  e. a helium burning core and a hydrogen burning shell.



voltaire123

  • Sr. Member
  • ****
  • Posts: 301
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library