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Author Question: In - decay, the number of neutrons in the nucleus is A) decreased by 1. B) decreased by 2. C) ... (Read 71 times)

roselinechinyere27m

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on: Jul 29, 2018
In - decay, the number of neutrons in the nucleus is
 
  A) decreased by 1.
  B) decreased by 2.
  C) increased by 1.
  D) increased by 2.
  E) remains unchanged.

Question 2

The focal lengths of the objective and the eyepiece of a microscope are 0.50 cm and 2.0 cm, respectively, and their separation adjusted for minimum eyestrain (with the final image at the viewer's far point) is 6.0 cm.
 
  The near point of the person using the microscope is 25 cm and the far point is infinity.
  (a) If the microscope is focused on a small object, what is the distance between the object and the objective lens?
  (b) If the microscope is focused on a small object, what is its final magnification?


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Anton

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

A

Answer to Question 2

(a) 0.57 cm (b) -100 x


roselinechinyere27m

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Reply #2 on: Jul 29, 2018
TY


Anton

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Reply #3 on: Jul 29, 2018
You're welcome


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