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Author Question: A camera lens having a 50-mm focal length is set to f/4.0. What is the minimum spacing of two ... (Read 130 times)

clippers!

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on: Jul 29, 2018
A camera lens having a 50-mm focal length is set to f/4.0. What is the minimum spacing of two objects located 12 m from the lens if the objects are just barely resolved in the image using light of wavelength 500 nm?
 
  A) 4.9  10-5 m B) 0.024 mm C) 0.59 mm D) 4.72 mm E) 1.66 mm

Question 2

What is the limiting angle of resolution for a lens of radius 2.0 mm when viewing with light having a wavelength of 600 nm?
 
  A) 1.8  10-7 rad
  B) 1.3  10-4 rad
  C) 1.5  10-7 rad
  D) 1.5  10-4 rad
  E) 1.8  10-4 rad
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mmpiza

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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clippers!

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

jomama

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Reply 3 on: Yesterday
Excellent

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