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Author Question: The Declaration of Principles Concerning Activities Following the Detection of Extraterrestrial ... (Read 33 times)

notis

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on: Jul 27, 2018
The Declaration of Principles Concerning Activities Following the Detection of Extraterrestrial Intelligence states that the first thing to do after the detection of a possible signal is to
 
  A) send a reply
  B) announce the discovery to the public
  C) confirm that it is genuine
  D) classify it top secret

Question 2

A parallel light beam containing two wavelengths, 480. nm and 700. nm, strikes a plain piece of glass at an angle of incidence of 60. The index of refraction of the glass is 1.4830 at 480. nm and 1.4760 at 700. nm.
 
  Determine the angle between the two beams in the glass.


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komodo7

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

0.196


notis

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

ryhom

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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