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Author Question: What power lens is needed to correct for nearsightedness where the uncorrected far point is 75 cm? ... (Read 40 times)

rl

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on: Jul 27, 2018
What power lens is needed to correct for nearsightedness where the uncorrected far point is 75 cm?
 
  A) -1.33 D
  B) +1.33 D
  C) -0.75 D
  D) +0.75 D
  E) -1.00 D

Question 2

An electron is trapped in a box of width 0.10 nm. What is the wavelength of the photon emitted when an electron makes a transition from the n = 3 to the n = 1 state?
 
  What will be an ideal response?


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ErinKing

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

A

Answer to Question 2

4.1 nm


rl

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

mohan

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Reply 3 on: Yesterday
Wow, this really help

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