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

Author Question: A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius ... (Read 124 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jul 28, 2018
A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius of 20 cm. What is the focal length (in cm) of the lens?
 a. 20
  b. 30
  c. 40
  d. 10
  e. 50

Question 2

A fish is 80 cm below the surface of a pond. What is the apparent depth (in cm) when viewed from a position almost directly above the fish? (For water, n = 1.33.)
 a. 50
  b. 60
  c. 40
  d. 70
  e. 110


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultansheikh

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


HudsonKB16

  • Member
  • Posts: 535
Reply 2 on: Jul 28, 2018
Gracias!

LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Lens of eye Lens of eye
Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ... Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ...
Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ... Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...
Beverages Made Over Better Beverages Made Over Better
Using a magnifying glass Using a magnifying glass
Video: EpiPen Animation (Part 1)

For a complete list of videos, visit our video library