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Author Question: The objective lens of a telescope has a focal length of 1.90 m. When viewed through this telescope, ... (Read 80 times)

joesmith1212

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The objective lens of a telescope has a focal length of 1.90 m. When viewed through this telescope, the Moon appears 5.25 times larger than normal.
 
  How far apart are the objective lens and the eyepiece when this instrument is focused on the Moon?

Question 2

A series RLC circuit has a 100- resistor, a 0.100-F capacitor and a 2.00-mH inductor connected across a 120-V rms ac voltage source operating at 1000/ Hz. What is the resonant frequency of this circuit?
 
  A) 70.7 kHz
  B) 17.9 kHz
  C) 22.5 kHz
  D) 35.3 kHz
  E) 11.3 kHz



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popopong

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Answer to Question 1

2.26 m

Answer to Question 2

E





 

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