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Author Question: What is the shortest wavelength in the Paschen series? A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 ... (Read 68 times)

student77

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on: Jul 29, 2018
What is the shortest wavelength in the Paschen series?
 
  A) 410.2 m B) 365 nm C) 820.4 nm D) 410.2 nm E) 820.4 m

Question 2

The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively.
 
  An object is placed at 0.30 cm from the objective lens and the image of this object is viewed with the eyepiece adjusted for minimum eyestrain (with the eye focused at the far point). The near point of the person using the microscope is 25 cm and the far point is at infinity. What is the final overall magnification of the microscope?
  A) -470 x B) -190 x C) -240 x D) -320 x E) -300 x


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snackralk

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

C

Answer to Question 2

E


student77

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


snackralk

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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