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Author Question: When you look through a sheer curtain at a distant street lamp, you see a pattern of colored spots ... (Read 26 times)

saraeharris

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When you look through a sheer curtain at a distant street lamp, you see a pattern of colored spots of light. This occurs by
 a. polarization of light in scattering and partial absorption by the threads.
  b. interference of light waves that pass through the threads with light waves that pass through the openings between the threads.
  c. refraction of light waves differentially in the cylindrical threads.
  d. diffraction of light waves passing through the two dimensional pattern of openings between the threads.
  e. reflection of light waves by the sides of the threads.

Question 2

The hydrogen spectrum has a red line at 656 nm, and a blue line at 434 nm. What is the first order angular separation between the two spectral lines obtained with a diffraction grating with 5000 rulings/cm?
 a. 7.7
  b. 16.6
  c. 6.6
  d. 3.2
  e. 19.2



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Mochi

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Answer to Question 1

D

Answer to Question 2

C




saraeharris

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review


Dnite

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Reply 3 on: Yesterday
Gracias!

 

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