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

Author Question: What type of lens is used to make a magnifying glass? A) converging B) diverging C) Either type ... (Read 19 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
What type of lens is used to make a magnifying glass?
 
  A) converging
  B) diverging
  C) Either type would work equally well.

Question 2

Mary builds a simple refracting telescope using two lenses of focal length 80 cm and 5.0 cm. The respective diameters are 60 mm and 10 mm.
 
  How many degrees wide does the moon appear through the telescope if it appears only 1/2 degree wide with the naked eye?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

A

Answer to Question 2

8 (16 times larger)




WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 29, 2018
Wow, this really help


cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

For a complete list of videos, visit our video library