What happens to a particle's wave packet when a highly accurate ...

[biggirl4568]

What happens to a particle's wave packet when a highly accurate position measurement is performed?
 
  A) It suddenly makes a transition into a state of smaller uncertainty in position, with no change in its uncertainty in velocity.
  B) It makes a gradual transition to a state of greater uncertainty in position but smaller uncertainty in velocity.
  C) It makes a gradual transition to a state of smaller uncertainty in position and greater uncertainty in velocity.
  D) It suddenly makes a transition into a state of greater uncertainty in position but smaller uncertainty in velocity.
  E) It suddenly makes a transition into a state of smaller uncertainty in position and greater uncertainty in velocity.

Question 2

If the magnetic field of an electromagnetic wave is in the +x-direction and the electric field of the wave is in the +y-direction, the wave is traveling in the
 
  A) xy-plane.
  B) +z-direction.
  C) -z-direction.
  D) -x-direction.
  E) -y-direction.

[flannelavenger]

Answer to Question 1

E

Answer to Question 2

C

[biggirl4568]

Thanks for the timely response, appreciate it

[juliaf]

Gracias!