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Author Question: The search for life in the solar system that is similar to life on Earth is essentially a search for ... (Read 78 times)

scienceeasy

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on: Jul 27, 2018
The search for life in the solar system that is similar to life on Earth is essentially a search for
 
  A) organic molecules
  B) liquid water
  C) molecular oxygen
  D) energy sources

Question 2

Why does light seem to go straight through an open doorway whereas sound seems to spread out when it goes through the same doorway?
 
  What will be an ideal response?


Danny Ewald

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

B

Answer to Question 2

It has to do with the relative sizes of their wavelengths. The wavelength of light is << opening size so very small diffraction; sound wavelengths are >> opening so diffraction is significant.


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