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

Author Question: Three materials with n1 < n2 < n3 are arranged in layers of uniform thickness. A light ray in ... (Read 101 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
on: Jul 28, 2018
Three materials with n1 < n2 < n3 are arranged in layers of uniform thickness. A light ray in air enters the first layer at an angle of incidence of 40 and the ray eventually exits the third layer at the refracted angle q in air. What is the value of q?
 a. Some angle more than 40.
  c. 40.
  b. Insufficient information to answer.
  d. Some angle less than 40.

Question 2

A long steel beam has a length of fifty meters on a cold day when the temperature is 0C. What is the length of the beam on a hot day when T = 40C? (asteel= 1.1  10-5/C)
 a. 50.044 m
  c. 50.088 m
  b. 50.022 m
  d. 50.0044 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joanwhite

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


james0929

  • Hero Member
  • *****
  • Posts: 586
Reply #2 on: Jul 28, 2018
TY


joanwhite

  • Sr. Member
  • ****
  • Posts: 308
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Vertical structuring of the oceans is associated with substantial variation in light and temperature Vertical structuring of the oceans is associated with substantial variation in light and temperature
Which wavelengths of light are most effective at photosynthesis? Which wavelengths of light are most effective at photosynthesis?
Supernova Light Curves Supernova Light Curves
Light penetration in Rivers Light penetration in Rivers
Five layers or sheaths called koshas in Ayurvedic philosophy. Five layers or sheaths called koshas in Ayurvedic philosophy.
Absorption spectra and light energy Absorption spectra and light energy
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library