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Author Question: The Greek astronomer who assigned the stars to six magnitudes was named ______________. Fill in the ... (Read 107 times)

sammy

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on: Jul 28, 2018
The Greek astronomer who assigned the stars to six magnitudes was named ______________.
 Fill in the blank(s) with correct word

Question 2

When the energy state of an atom changes by E, the frequency of the photon emitted or absorbed is calculated by dividing E by ______________.
 Fill in the blank(s) with correct word


jxjsniuniu

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

Hipparchus

Answer to Question 2

h, or Planck's constant


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sammy

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Reply #2 on: Jul 28, 2018
Thanks


jxjsniuniu

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


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