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

Author Question: An optical fiber is made of clear plastic with index of refraction n = 1.50 . For what angles with ... (Read 77 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
An optical fiber is made of clear plastic with index of refraction n = 1.50 . For what angles with the surface will light remain within the plastic guide?
 a. j < 66.6
  c. j < 51.7
  b. j < 41.8
  d. j < 57.1

Question 2

Dmitri places one end of a copper rod in a heat reservoir and the other end in a heat sink. By what factor is the rate of heat flow changed when the temperature difference between the reservoir and sink is doubled?
 a. 2.0
  c. 4.0
  b. 1/2
  d. 1/4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sokh

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

A


AEWBW

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


sokh

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Walrus Ivory masks made by Yupik in Alaska Walrus Ivory masks made by Yupik in Alaska
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Attributed to Thomas Dennis or William Searle, Chest, made in Ipswich, Massachusetts. Attributed to Thomas Dennis or William Searle, Chest, made in Ipswich, Massachusetts.
Plastic dumped into the sea harms wildlife Plastic dumped into the sea harms wildlife
Foods made with fat substitutes aren’t calorie free Foods made with fat substitutes aren’t calorie free
Chart showing average yearly dose of radiation from natural and human-made sources Chart showing average yearly dose of radiation from natural and human-made sources
Video: ATPase function - membrane transport, contractile proteins and synthesis

For a complete list of videos, visit our video library