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

Author Question: Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its ... (Read 16 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its plane of polarization at 30.0 to that of polarizer 1 . Polarizer 3 is placed after polarizer 2 . Polarizer 3 has its plane of polarization at 30.0 to the plane of polarization of polarizer 2 and at 60.0 to that of polarizer 1 . What fraction of the intensity of the original light gets though the last polarizer?
 a. 0.707
  c. 0.281
  b. 0.125
  d. 0.553

Question 2

How many calories are equal to one BTU? (One calorie = 4.186 J, one BTU = 1054 J.)
 a. 0.252
  c. 252
  b. 3.97
  d. 397



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

C

Answer to Question 2

C




dbose

  • Member
  • Posts: 597
Reply 2 on: Jul 28, 2018
:D TYSM


Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library