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Author Question: What frequency must a photon have if it is to raise an electron in a hydrogen atom from the n = 2 to ... (Read 65 times)

lunatika

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on: Jul 29, 2018
What frequency must a photon have if it is to raise an electron in a hydrogen atom from the n = 2 to the n = 4 state?
 
  A) 3.06  1014 Hz
  B) 6.16  1014 Hz
  C) 4.11  1014 Hz
  D) 5.20  1014 Hz
  E) 9.24  1014 Hz

Question 2

The back of a person's eye is too close to the lens. This person is suffering from
 
  A) nearsightedness.
  B) spherical aberration.
  C) astigmatism.
  D) chromatic aberration.
  E) farsightedness.


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bigcheese9

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

B

Answer to Question 2

E


lunatika

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

mochi09

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Reply 3 on: Yesterday
Gracias!

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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