Consider the decay o - + e+. This decay is A) forbidden ...

[cartlidgeashley]

Consider the decay o  - + e+. This decay is
 
  A) forbidden because conservation of baryon number is violated.
  B) forbidden because conservation of lepton numbers is violated.
  C) allowed.
  D) forbidden because conservation of mass is violated.
  E) forbidden because conservation of energy is violated.

Question 2

A polarizer (with its preferred direction rotated 30 to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is
 
  A)
 
  0.25.
  B)
 
  0.50.
  C)
 
  0.63.
  D)
 
  0.87.
  E)
 
  0.75.

[Dominic]

Answer to Question 1

B

Answer to Question 2

B

[cartlidgeashley]

Thanks

[Dominic]

Welcome