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Author Question: The apparent motion of an object when it is viewed from two different positions against a fixed ... (Read 114 times)

asmith134

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on: Jul 28, 2018
The apparent motion of an object when it is viewed from two different positions against a fixed background is called
 a. Hubble's effect.
  b. parallax.
  c. paradox.
  d. Brighton's effect.

Question 2

When an electron in an atom falls from a higher energy level to a lower one, a ______________ is ______________.
 a. proton; absorbed
  b. proton; emitted
  c. photon; absorbed
  d. photon; emitted


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Viet Thy

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d


asmith134

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Reply #2 on: Jul 28, 2018
Thanks


Viet Thy

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Reply #3 on: Jul 28, 2018
Welcome :)


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