A dipole moment is placed in a uniform electric field oriented ...

[newyorker26]

A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J.
 
  What was the initial angle between the direction of the dipole moment and the direction of the electric field? A)
 
  10
  B)
 
  90
  C)
 
  45
  D)
 
  30
  E)
 
  0

Question 2

An electron initially in a 4p state decays to a lower energy state. Which energy state is forbidden?
 
  A) 1s B) 2p C) 3d D) 2s

[komodo7]

Answer to Question 1

D

Answer to Question 2

B

[newyorker26]

Great answer, keep it coming

[daiying98]

Thanks for the timely response, appreciate it