Author Question: A pair of crossed Polaroids will transmit light A) of sufficiently long wavelengths. B) that ... (Read 47 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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

For a complete list of videos, visit our video library