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Author Question: Consider the decay + + + . This decay is A) forbidden because conservation of baryon number is ... (Read 212 times)

EAugust

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on: Jul 29, 2018
Consider the decay +  + + . This decay is
 
  A) forbidden because conservation of baryon number is violated.
  B) forbidden because conservation of mass is violated.
  C) forbidden because conservation of energy is violated.
  D) allowed.
  E) forbidden because conservation of lepton numbers is violated.

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) -320 x B) -470 x C) -240 x D) -300 x E) -190 x


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l.stuut

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

E

Answer to Question 2

D


EAugust

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Reply 2 on: Jul 29, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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