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Author Question: Light rays from a distant source __________________, assuming the light does not pass through any ... (Read 99 times)

erika

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on: Jul 27, 2018
Light rays from a distant source __________________, assuming the light does not pass through any cloud-like nebulae.
 
  a. are perpendicular b. focus to an image
  c. focus to a point d. are parallel

Question 2

On the H-R diagram, cool and bright stars are located in the ________ corner.
 
  a. upper left b. upper right
  c. lower left d. lower right


juwms

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

d
RATIONALE: Nothing is mentioned about passing through a lens or bouncing off a mirror.

Answer to Question 2

b


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