Author Question: A pair of crossed Polaroids will transmit light A) of sufficiently long wavelengths. B) that ... (Read 34 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
A pair of crossed Polaroids will transmit light
 
  A) of sufficiently long wavelengths.
  B) that itself is polarized.
  C) if a third Polaroid at about 45 degrees is inserted between the two.

Question 2

The superposition of identical waves affects
 
  A) amplitude.
  B) wavelength.
  C) speed.
  D) all of the above
  E) none of the above



dantucker

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

rlane42

  • Hero Member
  • *****
  • Posts: 594
Both answers were spot on, thank you once again



dantucker

  • Sr. Member
  • ****
  • Posts: 346

 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library