« previous next »

Author Question: Chromatic aberration occurs in a ____ telescope when ____. a. reflecting; different colors of ... (Read 53 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
Spherical Aberration Spherical Aberration
Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria
Telescope Telescope
Video: Exocytosis - secretion

For a complete list of videos, visit our video library