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

Author Question: A double-convex lens is formed from a piece of plastic with an index of refraction of 1.70. The ... (Read 101 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
on: Jul 29, 2018
A double-convex lens is formed from a piece of plastic with an index of refraction of 1.70. The radius of the front surface has magnitude 20 cm, and the radius of the back surface has magnitude 30 cm. What is the focal length of this lens?
 
  A) 86 cm B) -86 cm C) 43 cm D) -17 cm E) 17 cm

Question 2

At point P the magnetic field due to a long straight wire carrying a current of 2.0 A is 1.2 T. How far is P from the wire? (0 = 4  10-7 T  m/
 
  A)
  A) 11 cm
  B) 22 cm
  C) 33 cm
  D) 44 cm
  E) 55 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

C


HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 29, 2018
Thanks


elyse44

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

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

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
NCC MERP Index for categorizing medication errors algorithm. NCC MERP Index for categorizing medication errors algorithm.
A dead-blow hammer that was left outside in freezing weather. The plastic covering was damaged, ... A dead-blow hammer that was left outside in freezing weather. The plastic covering was damaged, ...
The double helix structure of DNA The double helix structure of DNA
An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ... An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ...
The air quality index The air quality index
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library