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Author Question: The kinetic energy of an electron in a Bohr orbit of the hydrogen atom is 8.57 10-20 J. What is the ... (Read 57 times)

jace

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on: Jul 29, 2018
The kinetic energy of an electron in a Bohr orbit of the hydrogen atom is 8.57  10-20 J. What is the radius of the orbit?
 
  A) 1.35  10-9 m
  B) 2.01  10-9 m
  C) 2.64  10-9 m
  D) 4.12  10-9 m
  E) 5.29  10-11 m

Question 2

The focal length of the objective of a telescope is much longer than the focal length of the eyepiece.
 
  Indicate whether the statement is true or false


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shayla

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


jace

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Reply 2 on: Jul 29, 2018
Wow, this really help

mammy1697

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Reply 3 on: Yesterday
Gracias!

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