This topic contains a solution. Click here to go to the answer

Author Question: The appearance of the great range of brightness among stars is due to A) the differences in ... (Read 29 times)

cool

  • Hero Member
  • *****
  • Posts: 570
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
Answer to Question 1

C

Answer to Question 2

B




cool

  • Member
  • Posts: 570
Reply 2 on: Jul 29, 2018
:D TYSM


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library