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Author Question: A refracting telescope has a magnification M. If the focal length of the objective lens is doubled ... (Read 34 times)

biggirl4568

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on: Jul 29, 2018
A refracting telescope has a magnification M. If the focal length of the objective lens is doubled and the eyepiece focal length is halved, what is the new magnification?
 
  A) 4M
  B) 2M
  C) M/2
  D) M/4
  E) M

Question 2

The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m. What is the length of this telescope?
 
  A) 8.0 m
  B) 1.4 m
  C) 0.90 m
  D) 1.6 m
  E) 1.8 m
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dlook33

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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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biggirl4568

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Reply 2 on: Jul 29, 2018
Gracias!

pangili4

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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