This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The appearance of the great range of brightness among stars is due to A) the differences in ... (Read 37 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
The appearance of the great range of brightness among stars is due to
 
  A)
 
  the differences in the amount of light different stars emit.
  B)
 
  the differences in the distances of stars from us.
  C)
 
  both of the given answers
  D)
 
  none of the given answers

Question 2

An object is placed 21 cm from a concave lens having a focal length of magnitude 25 cm. What is the magnification?
 
  A) -0.54
  B) 0.54
  C) -0.32
  D) -0.22
  E) 0.22


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stallen

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


cool

  • Member
  • Posts: 570
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

The two bright stars are (left) Alpha Centauri and (right) Beta Centauri. The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
Stars and the Interstellar Medium Stars and the Interstellar Medium
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
The Broad Range of Human Emotions. The Broad Range of Human Emotions.
Sensory Differences Between Species Sensory Differences Between Species
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library